Home / 1,327,928.46-1,832,683.20-811,984.74

Finding the Fourth Proportional to 1,327,928.46, 1,832,683.20 and 811,984.74

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Solution

The fourth proportional to 1,327,928.46, 1,832,683.20 and 811,984.74 is: 1,120,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,928.46 : 1,832,683.20 = 811,984.74 : x
  2. Step 2: Convert to fraction form
    1,327,928.46/1,832,683.20 = 811,984.74/x
  3. Step 3: Cross multiply
    1,327,928.46x = 1,832,683.20 × 811,984.74
  4. Step 4: Simplify right side
    1,327,928.46x = 1,488,110,791,654.37
  5. Step 5: Solve for x
    x = 1,488,110,791,654.37/1,327,928.46
  6. Step 6: Final answer
    x = 1,120,625.72

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Why These Related Problems?

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