Home / 765,400.92-1,147,529.46-528,066.36

Finding the Fourth Proportional to 765,400.92, 1,147,529.46 and 528,066.36

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Solution

The fourth proportional to 765,400.92, 1,147,529.46 and 528,066.36 is: 791,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,400.92 : 1,147,529.46 = 528,066.36 : x
  2. Step 2: Convert to fraction form
    765,400.92/1,147,529.46 = 528,066.36/x
  3. Step 3: Cross multiply
    765,400.92x = 1,147,529.46 × 528,066.36
  4. Step 4: Simplify right side
    765,400.92x = 605,971,704,934.97
  5. Step 5: Solve for x
    x = 605,971,704,934.97/765,400.92
  6. Step 6: Final answer
    x = 791,704.96

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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.