Home / 1,761,279.62-2,430,575.19-986,912.10

Finding the Fourth Proportional to 1,761,279.62, 2,430,575.19 and 986,912.10

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Solution

The fourth proportional to 1,761,279.62, 2,430,575.19 and 986,912.10 is: 1,361,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,279.62 : 2,430,575.19 = 986,912.10 : x
  2. Step 2: Convert to fraction form
    1,761,279.62/2,430,575.19 = 986,912.10/x
  3. Step 3: Cross multiply
    1,761,279.62x = 2,430,575.19 × 986,912.10
  4. Step 4: Simplify right side
    1,761,279.62x = 2,398,764,064,970.80
  5. Step 5: Solve for x
    x = 2,398,764,064,970.80/1,761,279.62
  6. Step 6: Final answer
    x = 1,361,943.92

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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.