Home / 724,822.20-1,087,233.30-251,458.20

Finding the Fourth Proportional to 724,822.20, 1,087,233.30 and 251,458.20

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Solution

The fourth proportional to 724,822.20, 1,087,233.30 and 251,458.20 is: 377,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,822.20 : 1,087,233.30 = 251,458.20 : x
  2. Step 2: Convert to fraction form
    724,822.20/1,087,233.30 = 251,458.20/x
  3. Step 3: Cross multiply
    724,822.20x = 1,087,233.30 × 251,458.20
  4. Step 4: Simplify right side
    724,822.20x = 273,393,728,598.06
  5. Step 5: Solve for x
    x = 273,393,728,598.06/724,822.20
  6. Step 6: Final answer
    x = 377,187.30

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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.