Home / 516,240.14-712,124.26-479,706.71

Finding the Fourth Proportional to 516,240.14, 712,124.26 and 479,706.71

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Solution

The fourth proportional to 516,240.14, 712,124.26 and 479,706.71 is: 661,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,240.14 : 712,124.26 = 479,706.71 : x
  2. Step 2: Convert to fraction form
    516,240.14/712,124.26 = 479,706.71/x
  3. Step 3: Cross multiply
    516,240.14x = 712,124.26 × 479,706.71
  4. Step 4: Simplify right side
    516,240.14x = 341,610,781,115.90
  5. Step 5: Solve for x
    x = 341,610,781,115.90/516,240.14
  6. Step 6: Final answer
    x = 661,728.44

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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.