Home / 868,972.92-1,199,253.62-481,909.56

Finding the Fourth Proportional to 868,972.92, 1,199,253.62 and 481,909.56

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Solution

The fourth proportional to 868,972.92, 1,199,253.62 and 481,909.56 is: 665,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,972.92 : 1,199,253.62 = 481,909.56 : x
  2. Step 2: Convert to fraction form
    868,972.92/1,199,253.62 = 481,909.56/x
  3. Step 3: Cross multiply
    868,972.92x = 1,199,253.62 × 481,909.56
  4. Step 4: Simplify right side
    868,972.92x = 577,931,784,342.61
  5. Step 5: Solve for x
    x = 577,931,784,342.61/868,972.92
  6. Step 6: Final answer
    x = 665,074.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.