Home / 868,974.54-1,199,234.06-487,025.92

Finding the Fourth Proportional to 868,974.54, 1,199,234.06 and 487,025.92

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Solution

The fourth proportional to 868,974.54, 1,199,234.06 and 487,025.92 is: 672,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,974.54 : 1,199,234.06 = 487,025.92 : x
  2. Step 2: Convert to fraction form
    868,974.54/1,199,234.06 = 487,025.92/x
  3. Step 3: Cross multiply
    868,974.54x = 1,199,234.06 × 487,025.92
  4. Step 4: Simplify right side
    868,974.54x = 584,058,071,366.84
  5. Step 5: Solve for x
    x = 584,058,071,366.84/868,974.54
  6. Step 6: Final answer
    x = 672,123.34

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Double scale
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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.