Home / 424,914.73-637,372.16-140,528.96

Finding the Fourth Proportional to 424,914.73, 637,372.16 and 140,528.96

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Solution

The fourth proportional to 424,914.73, 637,372.16 and 140,528.96 is: 210,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,914.73 : 637,372.16 = 140,528.96 : x
  2. Step 2: Convert to fraction form
    424,914.73/637,372.16 = 140,528.96/x
  3. Step 3: Cross multiply
    424,914.73x = 637,372.16 × 140,528.96
  4. Step 4: Simplify right side
    424,914.73x = 89,569,245,805.38
  5. Step 5: Solve for x
    x = 89,569,245,805.38/424,914.73
  6. Step 6: Final answer
    x = 210,793.46

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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.