Home / 424,614.12-636,921.18-109,071.33

Finding the Fourth Proportional to 424,614.12, 636,921.18 and 109,071.33

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Solution

The fourth proportional to 424,614.12, 636,921.18 and 109,071.33 is: 163,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,614.12 : 636,921.18 = 109,071.33 : x
  2. Step 2: Convert to fraction form
    424,614.12/636,921.18 = 109,071.33/x
  3. Step 3: Cross multiply
    424,614.12x = 636,921.18 × 109,071.33
  4. Step 4: Simplify right side
    424,614.12x = 69,469,840,207.77
  5. Step 5: Solve for x
    x = 69,469,840,207.77/424,614.12
  6. Step 6: Final answer
    x = 163,607.00

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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.