Home / 2,804,207.20-4,207,019.36-782,449.80

Finding the Fourth Proportional to 2,804,207.20, 4,207,019.36 and 782,449.80

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Solution

The fourth proportional to 2,804,207.20, 4,207,019.36 and 782,449.80 is: 1,173,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,207.20 : 4,207,019.36 = 782,449.80 : x
  2. Step 2: Convert to fraction form
    2,804,207.20/4,207,019.36 = 782,449.80/x
  3. Step 3: Cross multiply
    2,804,207.20x = 4,207,019.36 × 782,449.80
  4. Step 4: Simplify right side
    2,804,207.20x = 3,291,781,456,828.13
  5. Step 5: Solve for x
    x = 3,291,781,456,828.13/2,804,207.20
  6. Step 6: Final answer
    x = 1,173,872.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.