Home / 866,603.38-1,300,117.78-610,935.56

Finding the Fourth Proportional to 866,603.38, 1,300,117.78 and 610,935.56

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Solution

The fourth proportional to 866,603.38, 1,300,117.78 and 610,935.56 is: 916,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,603.38 : 1,300,117.78 = 610,935.56 : x
  2. Step 2: Convert to fraction form
    866,603.38/1,300,117.78 = 610,935.56/x
  3. Step 3: Cross multiply
    866,603.38x = 1,300,117.78 × 610,935.56
  4. Step 4: Simplify right side
    866,603.38x = 794,288,183,990.26
  5. Step 5: Solve for x
    x = 794,288,183,990.26/866,603.38
  6. Step 6: Final answer
    x = 916,553.30

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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.