Home / 530,184.96-731,414.16-315,203.04

Finding the Fourth Proportional to 530,184.96, 731,414.16 and 315,203.04

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Solution

The fourth proportional to 530,184.96, 731,414.16 and 315,203.04 is: 434,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,184.96 : 731,414.16 = 315,203.04 : x
  2. Step 2: Convert to fraction form
    530,184.96/731,414.16 = 315,203.04/x
  3. Step 3: Cross multiply
    530,184.96x = 731,414.16 × 315,203.04
  4. Step 4: Simplify right side
    530,184.96x = 230,543,966,731.05
  5. Step 5: Solve for x
    x = 230,543,966,731.05/530,184.96
  6. Step 6: Final answer
    x = 434,836.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.