Home / 683,240.80-1,024,861.20-633,474.40

Finding the Fourth Proportional to 683,240.80, 1,024,861.20 and 633,474.40

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Solution

The fourth proportional to 683,240.80, 1,024,861.20 and 633,474.40 is: 950,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,240.80 : 1,024,861.20 = 633,474.40 : x
  2. Step 2: Convert to fraction form
    683,240.80/1,024,861.20 = 633,474.40/x
  3. Step 3: Cross multiply
    683,240.80x = 1,024,861.20 × 633,474.40
  4. Step 4: Simplify right side
    683,240.80x = 649,223,333,753.28
  5. Step 5: Solve for x
    x = 649,223,333,753.28/683,240.80
  6. Step 6: Final answer
    x = 950,211.60

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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.