Home / 527,237.10-790,855.65-127,877.24

Finding the Fourth Proportional to 527,237.10, 790,855.65 and 127,877.24

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Solution

The fourth proportional to 527,237.10, 790,855.65 and 127,877.24 is: 191,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,237.10 : 790,855.65 = 127,877.24 : x
  2. Step 2: Convert to fraction form
    527,237.10/790,855.65 = 127,877.24/x
  3. Step 3: Cross multiply
    527,237.10x = 790,855.65 × 127,877.24
  4. Step 4: Simplify right side
    527,237.10x = 101,132,433,806.13
  5. Step 5: Solve for x
    x = 101,132,433,806.13/527,237.10
  6. Step 6: Final answer
    x = 191,815.85

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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.