Home / 1,791,554.11-2,687,314.51-726,342.95

Finding the Fourth Proportional to 1,791,554.11, 2,687,314.51 and 726,342.95

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Solution

The fourth proportional to 1,791,554.11, 2,687,314.51 and 726,342.95 is: 1,089,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,554.11 : 2,687,314.51 = 726,342.95 : x
  2. Step 2: Convert to fraction form
    1,791,554.11/2,687,314.51 = 726,342.95/x
  3. Step 3: Cross multiply
    1,791,554.11x = 2,687,314.51 × 726,342.95
  4. Step 4: Simplify right side
    1,791,554.11x = 1,951,911,948,771.20
  5. Step 5: Solve for x
    x = 1,951,911,948,771.20/1,791,554.11
  6. Step 6: Final answer
    x = 1,089,507.67

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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.