Home / 1,126,881.20-1,555,101.96-610,635.29

Finding the Fourth Proportional to 1,126,881.20, 1,555,101.96 and 610,635.29

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Solution

The fourth proportional to 1,126,881.20, 1,555,101.96 and 610,635.29 is: 842,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,881.20 : 1,555,101.96 = 610,635.29 : x
  2. Step 2: Convert to fraction form
    1,126,881.20/1,555,101.96 = 610,635.29/x
  3. Step 3: Cross multiply
    1,126,881.20x = 1,555,101.96 × 610,635.29
  4. Step 4: Simplify right side
    1,126,881.20x = 949,600,136,324.17
  5. Step 5: Solve for x
    x = 949,600,136,324.17/1,126,881.20
  6. Step 6: Final answer
    x = 842,679.90

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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.