Home / 754,766.11-1,132,674.05-487,864.63

Finding the Fourth Proportional to 754,766.11, 1,132,674.05 and 487,864.63

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Solution

The fourth proportional to 754,766.11, 1,132,674.05 and 487,864.63 is: 732,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,766.11 : 1,132,674.05 = 487,864.63 : x
  2. Step 2: Convert to fraction form
    754,766.11/1,132,674.05 = 487,864.63/x
  3. Step 3: Cross multiply
    754,766.11x = 1,132,674.05 × 487,864.63
  4. Step 4: Simplify right side
    754,766.11x = 552,591,606,313.85
  5. Step 5: Solve for x
    x = 552,591,606,313.85/754,766.11
  6. Step 6: Final answer
    x = 732,136.22

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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.