Home / 1,526,767.38-2,290,938.39-628,872.66

Finding the Fourth Proportional to 1,526,767.38, 2,290,938.39 and 628,872.66

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Solution

The fourth proportional to 1,526,767.38, 2,290,938.39 and 628,872.66 is: 943,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,767.38 : 2,290,938.39 = 628,872.66 : x
  2. Step 2: Convert to fraction form
    1,526,767.38/2,290,938.39 = 628,872.66/x
  3. Step 3: Cross multiply
    1,526,767.38x = 2,290,938.39 × 628,872.66
  4. Step 4: Simplify right side
    1,526,767.38x = 1,440,708,519,215.42
  5. Step 5: Solve for x
    x = 1,440,708,519,215.42/1,526,767.38
  6. Step 6: Final answer
    x = 943,633.29

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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.