Home / 732,101.70-1,098,152.55-258,783.30

Finding the Fourth Proportional to 732,101.70, 1,098,152.55 and 258,783.30

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Solution

The fourth proportional to 732,101.70, 1,098,152.55 and 258,783.30 is: 388,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,101.70 : 1,098,152.55 = 258,783.30 : x
  2. Step 2: Convert to fraction form
    732,101.70/1,098,152.55 = 258,783.30/x
  3. Step 3: Cross multiply
    732,101.70x = 1,098,152.55 × 258,783.30
  4. Step 4: Simplify right side
    732,101.70x = 284,183,540,792.42
  5. Step 5: Solve for x
    x = 284,183,540,792.42/732,101.70
  6. Step 6: Final answer
    x = 388,174.95

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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.