Home / 1,327,000.52-1,831,200.39-811,617.57

Finding the Fourth Proportional to 1,327,000.52, 1,831,200.39 and 811,617.57

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Solution

The fourth proportional to 1,327,000.52, 1,831,200.39 and 811,617.57 is: 1,119,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,000.52 : 1,831,200.39 = 811,617.57 : x
  2. Step 2: Convert to fraction form
    1,327,000.52/1,831,200.39 = 811,617.57/x
  3. Step 3: Cross multiply
    1,327,000.52x = 1,831,200.39 × 811,617.57
  4. Step 4: Simplify right side
    1,327,000.52x = 1,486,234,408,432.18
  5. Step 5: Solve for x
    x = 1,486,234,408,432.18/1,327,000.52
  6. Step 6: Final answer
    x = 1,119,995.35

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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.