Home / 451,707.11-623,351.57-247,753.85

Finding the Fourth Proportional to 451,707.11, 623,351.57 and 247,753.85

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Solution

The fourth proportional to 451,707.11, 623,351.57 and 247,753.85 is: 341,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,707.11 : 623,351.57 = 247,753.85 : x
  2. Step 2: Convert to fraction form
    451,707.11/623,351.57 = 247,753.85/x
  3. Step 3: Cross multiply
    451,707.11x = 623,351.57 × 247,753.85
  4. Step 4: Simplify right side
    451,707.11x = 154,437,750,132.28
  5. Step 5: Solve for x
    x = 154,437,750,132.28/451,707.11
  6. Step 6: Final answer
    x = 341,897.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.