Home / 807,566.60-1,211,349.90-555,624.20

Finding the Fourth Proportional to 807,566.60, 1,211,349.90 and 555,624.20

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Solution

The fourth proportional to 807,566.60, 1,211,349.90 and 555,624.20 is: 833,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,566.60 : 1,211,349.90 = 555,624.20 : x
  2. Step 2: Convert to fraction form
    807,566.60/1,211,349.90 = 555,624.20/x
  3. Step 3: Cross multiply
    807,566.60x = 1,211,349.90 × 555,624.20
  4. Step 4: Simplify right side
    807,566.60x = 673,055,319,107.58
  5. Step 5: Solve for x
    x = 673,055,319,107.58/807,566.60
  6. Step 6: Final answer
    x = 833,436.30

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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.