Home / 598,630.40-826,129.20-340,500.74

Finding the Fourth Proportional to 598,630.40, 826,129.20 and 340,500.74

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Solution

The fourth proportional to 598,630.40, 826,129.20 and 340,500.74 is: 469,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,630.40 : 826,129.20 = 340,500.74 : x
  2. Step 2: Convert to fraction form
    598,630.40/826,129.20 = 340,500.74/x
  3. Step 3: Cross multiply
    598,630.40x = 826,129.20 × 340,500.74
  4. Step 4: Simplify right side
    598,630.40x = 281,297,603,935.61
  5. Step 5: Solve for x
    x = 281,297,603,935.61/598,630.40
  6. Step 6: Final answer
    x = 469,901.97

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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.