Home / 753,246.97-1,129,944.87-247,602.85

Finding the Fourth Proportional to 753,246.97, 1,129,944.87 and 247,602.85

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Solution

The fourth proportional to 753,246.97, 1,129,944.87 and 247,602.85 is: 371,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,246.97 : 1,129,944.87 = 247,602.85 : x
  2. Step 2: Convert to fraction form
    753,246.97/1,129,944.87 = 247,602.85/x
  3. Step 3: Cross multiply
    753,246.97x = 1,129,944.87 × 247,602.85
  4. Step 4: Simplify right side
    753,246.97x = 279,777,567,330.02
  5. Step 5: Solve for x
    x = 279,777,567,330.02/753,246.97
  6. Step 6: Final answer
    x = 371,428.73

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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.