Home / 351,624.17-527,433.93-85,382.88

Finding the Fourth Proportional to 351,624.17, 527,433.93 and 85,382.88

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Solution

The fourth proportional to 351,624.17, 527,433.93 and 85,382.88 is: 128,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,624.17 : 527,433.93 = 85,382.88 : x
  2. Step 2: Convert to fraction form
    351,624.17/527,433.93 = 85,382.88/x
  3. Step 3: Cross multiply
    351,624.17x = 527,433.93 × 85,382.88
  4. Step 4: Simplify right side
    351,624.17x = 45,033,827,953.12
  5. Step 5: Solve for x
    x = 45,033,827,953.12/351,624.17
  6. Step 6: Final answer
    x = 128,073.76

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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.