Home / 939,006.67-1,406,105.92-517,815.31

Finding the Fourth Proportional to 939,006.67, 1,406,105.92 and 517,815.31

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Solution

The fourth proportional to 939,006.67, 1,406,105.92 and 517,815.31 is: 775,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,006.67 : 1,406,105.92 = 517,815.31 : x
  2. Step 2: Convert to fraction form
    939,006.67/1,406,105.92 = 517,815.31/x
  3. Step 3: Cross multiply
    939,006.67x = 1,406,105.92 × 517,815.31
  4. Step 4: Simplify right side
    939,006.67x = 728,103,172,857.64
  5. Step 5: Solve for x
    x = 728,103,172,857.64/939,006.67
  6. Step 6: Final answer
    x = 775,397.23

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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.