Home / 1,766,454.40-2,650,072.56-644,520.16

Finding the Fourth Proportional to 1,766,454.40, 2,650,072.56 and 644,520.16

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Solution

The fourth proportional to 1,766,454.40, 2,650,072.56 and 644,520.16 is: 966,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,454.40 : 2,650,072.56 = 644,520.16 : x
  2. Step 2: Convert to fraction form
    1,766,454.40/2,650,072.56 = 644,520.16/x
  3. Step 3: Cross multiply
    1,766,454.40x = 2,650,072.56 × 644,520.16
  4. Step 4: Simplify right side
    1,766,454.40x = 1,708,025,190,382.81
  5. Step 5: Solve for x
    x = 1,708,025,190,382.81/1,766,454.40
  6. Step 6: Final answer
    x = 966,922.89

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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.