Home / 912,346.20-1,368,519.30-539,098.20

Finding the Fourth Proportional to 912,346.20, 1,368,519.30 and 539,098.20

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Solution

The fourth proportional to 912,346.20, 1,368,519.30 and 539,098.20 is: 808,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,346.20 : 1,368,519.30 = 539,098.20 : x
  2. Step 2: Convert to fraction form
    912,346.20/1,368,519.30 = 539,098.20/x
  3. Step 3: Cross multiply
    912,346.20x = 1,368,519.30 × 539,098.20
  4. Step 4: Simplify right side
    912,346.20x = 737,766,291,295.26
  5. Step 5: Solve for x
    x = 737,766,291,295.26/912,346.20
  6. Step 6: Final answer
    x = 808,647.30

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Half scale
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Double scale
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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.