Home / 484,972.16-727,459.68-169,429.10

Finding the Fourth Proportional to 484,972.16, 727,459.68 and 169,429.10

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Solution

The fourth proportional to 484,972.16, 727,459.68 and 169,429.10 is: 254,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,972.16 : 727,459.68 = 169,429.10 : x
  2. Step 2: Convert to fraction form
    484,972.16/727,459.68 = 169,429.10/x
  3. Step 3: Cross multiply
    484,972.16x = 727,459.68 × 169,429.10
  4. Step 4: Simplify right side
    484,972.16x = 123,252,838,868.69
  5. Step 5: Solve for x
    x = 123,252,838,868.69/484,972.16
  6. Step 6: Final answer
    x = 254,144.15

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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.