Home / 452,669.38-681,712.17-412,313.76

Finding the Fourth Proportional to 452,669.38, 681,712.17 and 412,313.76

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Solution

The fourth proportional to 452,669.38, 681,712.17 and 412,313.76 is: 620,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,669.38 : 681,712.17 = 412,313.76 : x
  2. Step 2: Convert to fraction form
    452,669.38/681,712.17 = 412,313.76/x
  3. Step 3: Cross multiply
    452,669.38x = 681,712.17 × 412,313.76
  4. Step 4: Simplify right side
    452,669.38x = 281,079,306,504.28
  5. Step 5: Solve for x
    x = 281,079,306,504.28/452,669.38
  6. Step 6: Final answer
    x = 620,937.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.