Home / 588,260.11-811,815.33-330,153.07

Finding the Fourth Proportional to 588,260.11, 811,815.33 and 330,153.07

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Solution

The fourth proportional to 588,260.11, 811,815.33 and 330,153.07 is: 455,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,260.11 : 811,815.33 = 330,153.07 : x
  2. Step 2: Convert to fraction form
    588,260.11/811,815.33 = 330,153.07/x
  3. Step 3: Cross multiply
    588,260.11x = 811,815.33 × 330,153.07
  4. Step 4: Simplify right side
    588,260.11x = 268,023,323,472.56
  5. Step 5: Solve for x
    x = 268,023,323,472.56/588,260.11
  6. Step 6: Final answer
    x = 455,620.43

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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.