Home / 588,216.28-811,822.62-330,120.76

Finding the Fourth Proportional to 588,216.28, 811,822.62 and 330,120.76

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Solution

The fourth proportional to 588,216.28, 811,822.62 and 330,120.76 is: 455,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,216.28 : 811,822.62 = 330,120.76 : x
  2. Step 2: Convert to fraction form
    588,216.28/811,822.62 = 330,120.76/x
  3. Step 3: Cross multiply
    588,216.28x = 811,822.62 × 330,120.76
  4. Step 4: Simplify right side
    588,216.28x = 267,999,500,299.59
  5. Step 5: Solve for x
    x = 267,999,500,299.59/588,216.28
  6. Step 6: Final answer
    x = 455,613.88

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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.