Home / 451,126.11-622,561.70-247,196.90

Finding the Fourth Proportional to 451,126.11, 622,561.70 and 247,196.90

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Solution

The fourth proportional to 451,126.11, 622,561.70 and 247,196.90 is: 341,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,126.11 : 622,561.70 = 247,196.90 : x
  2. Step 2: Convert to fraction form
    451,126.11/622,561.70 = 247,196.90/x
  3. Step 3: Cross multiply
    451,126.11x = 622,561.70 × 247,196.90
  4. Step 4: Simplify right side
    451,126.11x = 153,895,322,298.73
  5. Step 5: Solve for x
    x = 153,895,322,298.73/451,126.11
  6. Step 6: Final answer
    x = 341,135.92

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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.