Home / 1,766,451.90-2,650,068.81-644,517.66

Finding the Fourth Proportional to 1,766,451.90, 2,650,068.81 and 644,517.66

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Solution

The fourth proportional to 1,766,451.90, 2,650,068.81 and 644,517.66 is: 966,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,451.90 : 2,650,068.81 = 644,517.66 : x
  2. Step 2: Convert to fraction form
    1,766,451.90/2,650,068.81 = 644,517.66/x
  3. Step 3: Cross multiply
    1,766,451.90x = 2,650,068.81 × 644,517.66
  4. Step 4: Simplify right side
    1,766,451.90x = 1,708,016,148,260.18
  5. Step 5: Solve for x
    x = 1,708,016,148,260.18/1,766,451.90
  6. Step 6: Final answer
    x = 966,919.14

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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.