Home / 807,686.30-1,114,601.91-445,113.02

Finding the Fourth Proportional to 807,686.30, 1,114,601.91 and 445,113.02

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Solution

The fourth proportional to 807,686.30, 1,114,601.91 and 445,113.02 is: 614,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,686.30 : 1,114,601.91 = 445,113.02 : x
  2. Step 2: Convert to fraction form
    807,686.30/1,114,601.91 = 445,113.02/x
  3. Step 3: Cross multiply
    807,686.30x = 1,114,601.91 × 445,113.02
  4. Step 4: Simplify right side
    807,686.30x = 496,123,822,257.87
  5. Step 5: Solve for x
    x = 496,123,822,257.87/807,686.30
  6. Step 6: Final answer
    x = 614,253.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.