Home / 997,742.31-1,376,882.06-545,036.55

Finding the Fourth Proportional to 997,742.31, 1,376,882.06 and 545,036.55

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Solution

The fourth proportional to 997,742.31, 1,376,882.06 and 545,036.55 is: 752,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,742.31 : 1,376,882.06 = 545,036.55 : x
  2. Step 2: Convert to fraction form
    997,742.31/1,376,882.06 = 545,036.55/x
  3. Step 3: Cross multiply
    997,742.31x = 1,376,882.06 × 545,036.55
  4. Step 4: Simplify right side
    997,742.31x = 750,451,045,014.11
  5. Step 5: Solve for x
    x = 750,451,045,014.11/997,742.31
  6. Step 6: Final answer
    x = 752,149.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.