Home / 527,877.20-790,985.10-408,227.24

Finding the Fourth Proportional to 527,877.20, 790,985.10 and 408,227.24

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Solution

The fourth proportional to 527,877.20, 790,985.10 and 408,227.24 is: 611,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,877.20 : 790,985.10 = 408,227.24 : x
  2. Step 2: Convert to fraction form
    527,877.20/790,985.10 = 408,227.24/x
  3. Step 3: Cross multiply
    527,877.20x = 790,985.10 × 408,227.24
  4. Step 4: Simplify right side
    527,877.20x = 322,901,664,254.12
  5. Step 5: Solve for x
    x = 322,901,664,254.12/527,877.20
  6. Step 6: Final answer
    x = 611,698.45

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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.