Home / 514,146.41-709,517.10-296,275.04

Finding the Fourth Proportional to 514,146.41, 709,517.10 and 296,275.04

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Solution

The fourth proportional to 514,146.41, 709,517.10 and 296,275.04 is: 408,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,146.41 : 709,517.10 = 296,275.04 : x
  2. Step 2: Convert to fraction form
    514,146.41/709,517.10 = 296,275.04/x
  3. Step 3: Cross multiply
    514,146.41x = 709,517.10 × 296,275.04
  4. Step 4: Simplify right side
    514,146.41x = 210,212,203,635.60
  5. Step 5: Solve for x
    x = 210,212,203,635.60/514,146.41
  6. Step 6: Final answer
    x = 408,856.70

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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.