Home / 1,722,123.40-2,581,785.42-600,979.72

Finding the Fourth Proportional to 1,722,123.40, 2,581,785.42 and 600,979.72

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Solution

The fourth proportional to 1,722,123.40, 2,581,785.42 and 600,979.72 is: 900,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,123.40 : 2,581,785.42 = 600,979.72 : x
  2. Step 2: Convert to fraction form
    1,722,123.40/2,581,785.42 = 600,979.72/x
  3. Step 3: Cross multiply
    1,722,123.40x = 2,581,785.42 × 600,979.72
  4. Step 4: Simplify right side
    1,722,123.40x = 1,551,600,678,811.68
  5. Step 5: Solve for x
    x = 1,551,600,678,811.68/1,722,123.40
  6. Step 6: Final answer
    x = 900,981.13

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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.