Home / 1,092,790.12-1,508,149.86-663,179.56

Finding the Fourth Proportional to 1,092,790.12, 1,508,149.86 and 663,179.56

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Solution

The fourth proportional to 1,092,790.12, 1,508,149.86 and 663,179.56 is: 915,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,790.12 : 1,508,149.86 = 663,179.56 : x
  2. Step 2: Convert to fraction form
    1,092,790.12/1,508,149.86 = 663,179.56/x
  3. Step 3: Cross multiply
    1,092,790.12x = 1,508,149.86 × 663,179.56
  4. Step 4: Simplify right side
    1,092,790.12x = 1,000,174,160,568.86
  5. Step 5: Solve for x
    x = 1,000,174,160,568.86/1,092,790.12
  6. Step 6: Final answer
    x = 915,248.17

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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.