Home / 1,098,203.10-1,645,555.05-814,767.90

Finding the Fourth Proportional to 1,098,203.10, 1,645,555.05 and 814,767.90

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Solution

The fourth proportional to 1,098,203.10, 1,645,555.05 and 814,767.90 is: 1,220,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,203.10 : 1,645,555.05 = 814,767.90 : x
  2. Step 2: Convert to fraction form
    1,098,203.10/1,645,555.05 = 814,767.90/x
  3. Step 3: Cross multiply
    1,098,203.10x = 1,645,555.05 × 814,767.90
  4. Step 4: Simplify right side
    1,098,203.10x = 1,340,745,432,422.90
  5. Step 5: Solve for x
    x = 1,340,745,432,422.90/1,098,203.10
  6. Step 6: Final answer
    x = 1,220,853.80

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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.