Home / 752,784-1,129,177.68-529,145.22

Finding the Fourth Proportional to 752,784, 1,129,177.68 and 529,145.22

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Solution

The fourth proportional to 752,784, 1,129,177.68 and 529,145.22 is: 793,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,784 : 1,129,177.68 = 529,145.22 : x
  2. Step 2: Convert to fraction form
    752,784/1,129,177.68 = 529,145.22/x
  3. Step 3: Cross multiply
    752,784x = 1,129,177.68 × 529,145.22
  4. Step 4: Simplify right side
    752,784x = 597,498,971,902.69
  5. Step 5: Solve for x
    x = 597,498,971,902.69/752,784
  6. Step 6: Final answer
    x = 793,719.01

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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.