Home / 831,841.20-1,247,761.98-232,890.57

Finding the Fourth Proportional to 831,841.20, 1,247,761.98 and 232,890.57

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Solution

The fourth proportional to 831,841.20, 1,247,761.98 and 232,890.57 is: 349,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,841.20 : 1,247,761.98 = 232,890.57 : x
  2. Step 2: Convert to fraction form
    831,841.20/1,247,761.98 = 232,890.57/x
  3. Step 3: Cross multiply
    831,841.20x = 1,247,761.98 × 232,890.57
  4. Step 4: Simplify right side
    831,841.20x = 290,591,998,746.53
  5. Step 5: Solve for x
    x = 290,591,998,746.53/831,841.20
  6. Step 6: Final answer
    x = 349,335.91

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Double scale
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Similar ratio
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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.