Home / 948,867.82-1,309,978.92-627,510.04

Finding the Fourth Proportional to 948,867.82, 1,309,978.92 and 627,510.04

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Solution

The fourth proportional to 948,867.82, 1,309,978.92 and 627,510.04 is: 866,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,867.82 : 1,309,978.92 = 627,510.04 : x
  2. Step 2: Convert to fraction form
    948,867.82/1,309,978.92 = 627,510.04/x
  3. Step 3: Cross multiply
    948,867.82x = 1,309,978.92 × 627,510.04
  4. Step 4: Simplify right side
    948,867.82x = 822,024,924,488.36
  5. Step 5: Solve for x
    x = 822,024,924,488.36/948,867.82
  6. Step 6: Final answer
    x = 866,321.85

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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.