Home / 1,200,180.29-1,656,248.72-656,316.41

Finding the Fourth Proportional to 1,200,180.29, 1,656,248.72 and 656,316.41

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Solution

The fourth proportional to 1,200,180.29, 1,656,248.72 and 656,316.41 is: 905,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,180.29 : 1,656,248.72 = 656,316.41 : x
  2. Step 2: Convert to fraction form
    1,200,180.29/1,656,248.72 = 656,316.41/x
  3. Step 3: Cross multiply
    1,200,180.29x = 1,656,248.72 × 656,316.41
  4. Step 4: Simplify right side
    1,200,180.29x = 1,087,023,202,414.67
  5. Step 5: Solve for x
    x = 1,087,023,202,414.67/1,200,180.29
  6. Step 6: Final answer
    x = 905,716.60

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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.