Home / 729,143.10-1,093,714.65-477,200.70

Finding the Fourth Proportional to 729,143.10, 1,093,714.65 and 477,200.70

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Solution

The fourth proportional to 729,143.10, 1,093,714.65 and 477,200.70 is: 715,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,143.10 : 1,093,714.65 = 477,200.70 : x
  2. Step 2: Convert to fraction form
    729,143.10/1,093,714.65 = 477,200.70/x
  3. Step 3: Cross multiply
    729,143.10x = 1,093,714.65 × 477,200.70
  4. Step 4: Simplify right side
    729,143.10x = 521,921,396,580.26
  5. Step 5: Solve for x
    x = 521,921,396,580.26/729,143.10
  6. Step 6: Final answer
    x = 715,801.05

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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.