Home / 1,136,398.72-1,568,318.88-653,132.56

Finding the Fourth Proportional to 1,136,398.72, 1,568,318.88 and 653,132.56

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Solution

The fourth proportional to 1,136,398.72, 1,568,318.88 and 653,132.56 is: 901,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,398.72 : 1,568,318.88 = 653,132.56 : x
  2. Step 2: Convert to fraction form
    1,136,398.72/1,568,318.88 = 653,132.56/x
  3. Step 3: Cross multiply
    1,136,398.72x = 1,568,318.88 × 653,132.56
  4. Step 4: Simplify right side
    1,136,398.72x = 1,024,320,124,990.73
  5. Step 5: Solve for x
    x = 1,024,320,124,990.73/1,136,398.72
  6. Step 6: Final answer
    x = 901,373.88

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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.