Home / 424,922.10-637,383.15-235,965.30

Finding the Fourth Proportional to 424,922.10, 637,383.15 and 235,965.30

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Solution

The fourth proportional to 424,922.10, 637,383.15 and 235,965.30 is: 353,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,922.10 : 637,383.15 = 235,965.30 : x
  2. Step 2: Convert to fraction form
    424,922.10/637,383.15 = 235,965.30/x
  3. Step 3: Cross multiply
    424,922.10x = 637,383.15 × 235,965.30
  4. Step 4: Simplify right side
    424,922.10x = 150,400,306,204.70
  5. Step 5: Solve for x
    x = 150,400,306,204.70/424,922.10
  6. Step 6: Final answer
    x = 353,947.95

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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.