Home / 484,355.24-725,494.89-393,968.92

Finding the Fourth Proportional to 484,355.24, 725,494.89 and 393,968.92

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Solution

The fourth proportional to 484,355.24, 725,494.89 and 393,968.92 is: 590,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,355.24 : 725,494.89 = 393,968.92 : x
  2. Step 2: Convert to fraction form
    484,355.24/725,494.89 = 393,968.92/x
  3. Step 3: Cross multiply
    484,355.24x = 725,494.89 × 393,968.92
  4. Step 4: Simplify right side
    484,355.24x = 285,822,438,777.32
  5. Step 5: Solve for x
    x = 285,822,438,777.32/484,355.24
  6. Step 6: Final answer
    x = 590,109.11

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1.5x scale

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.