Home / 526,871.07-790,306.56-127,511.91

Finding the Fourth Proportional to 526,871.07, 790,306.56 and 127,511.91

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Solution

The fourth proportional to 526,871.07, 790,306.56 and 127,511.91 is: 191,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,871.07 : 790,306.56 = 127,511.91 : x
  2. Step 2: Convert to fraction form
    526,871.07/790,306.56 = 127,511.91/x
  3. Step 3: Cross multiply
    526,871.07x = 790,306.56 × 127,511.91
  4. Step 4: Simplify right side
    526,871.07x = 100,773,498,951.13
  5. Step 5: Solve for x
    x = 100,773,498,951.13/526,871.07
  6. Step 6: Final answer
    x = 191,267.85

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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.