Home / 516,512.17-712,581.83-298,680.59

Finding the Fourth Proportional to 516,512.17, 712,581.83 and 298,680.59

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Solution

The fourth proportional to 516,512.17, 712,581.83 and 298,680.59 is: 412,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,512.17 : 712,581.83 = 298,680.59 : x
  2. Step 2: Convert to fraction form
    516,512.17/712,581.83 = 298,680.59/x
  3. Step 3: Cross multiply
    516,512.17x = 712,581.83 × 298,680.59
  4. Step 4: Simplify right side
    516,512.17x = 212,834,361,407.68
  5. Step 5: Solve for x
    x = 212,834,361,407.68/516,512.17
  6. Step 6: Final answer
    x = 412,060.69

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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.