Home / 1,766,450.40-2,650,066.56-644,516.16

Finding the Fourth Proportional to 1,766,450.40, 2,650,066.56 and 644,516.16

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Solution

The fourth proportional to 1,766,450.40, 2,650,066.56 and 644,516.16 is: 966,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,450.40 : 2,650,066.56 = 644,516.16 : x
  2. Step 2: Convert to fraction form
    1,766,450.40/2,650,066.56 = 644,516.16/x
  3. Step 3: Cross multiply
    1,766,450.40x = 2,650,066.56 × 644,516.16
  4. Step 4: Simplify right side
    1,766,450.40x = 1,708,010,722,995.61
  5. Step 5: Solve for x
    x = 1,708,010,722,995.61/1,766,450.40
  6. Step 6: Final answer
    x = 966,916.89

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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.