Home / 1,229,187.20-1,843,780.80-750,890.30

Finding the Fourth Proportional to 1,229,187.20, 1,843,780.80 and 750,890.30

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Solution

The fourth proportional to 1,229,187.20, 1,843,780.80 and 750,890.30 is: 1,126,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,187.20 : 1,843,780.80 = 750,890.30 : x
  2. Step 2: Convert to fraction form
    1,229,187.20/1,843,780.80 = 750,890.30/x
  3. Step 3: Cross multiply
    1,229,187.20x = 1,843,780.80 × 750,890.30
  4. Step 4: Simplify right side
    1,229,187.20x = 1,384,477,118,046.24
  5. Step 5: Solve for x
    x = 1,384,477,118,046.24/1,229,187.20
  6. Step 6: Final answer
    x = 1,126,335.45

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Half scale
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Double scale
Find fourth proportional to 1,229,188.20, 1,843,782.30 and 750,891.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.