Home / 534,618.15-801,928.26-129,808.66

Finding the Fourth Proportional to 534,618.15, 801,928.26 and 129,808.66

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Solution

The fourth proportional to 534,618.15, 801,928.26 and 129,808.66 is: 194,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,618.15 : 801,928.26 = 129,808.66 : x
  2. Step 2: Convert to fraction form
    534,618.15/801,928.26 = 129,808.66/x
  3. Step 3: Cross multiply
    534,618.15x = 801,928.26 × 129,808.66
  4. Step 4: Simplify right side
    534,618.15x = 104,097,230,841.91
  5. Step 5: Solve for x
    x = 104,097,230,841.91/534,618.15
  6. Step 6: Final answer
    x = 194,713.24

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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.