Home / 516,650.32-712,985.88-284,087.04

Finding the Fourth Proportional to 516,650.32, 712,985.88 and 284,087.04

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Solution

The fourth proportional to 516,650.32, 712,985.88 and 284,087.04 is: 392,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,650.32 : 712,985.88 = 284,087.04 : x
  2. Step 2: Convert to fraction form
    516,650.32/712,985.88 = 284,087.04/x
  3. Step 3: Cross multiply
    516,650.32x = 712,985.88 × 284,087.04
  4. Step 4: Simplify right side
    516,650.32x = 202,550,048,211.00
  5. Step 5: Solve for x
    x = 202,550,048,211.00/516,650.32
  6. Step 6: Final answer
    x = 392,044.76

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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.