Home / 861,003.70-1,291,505.55-623,230.90

Finding the Fourth Proportional to 861,003.70, 1,291,505.55 and 623,230.90

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Solution

The fourth proportional to 861,003.70, 1,291,505.55 and 623,230.90 is: 934,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,003.70 : 1,291,505.55 = 623,230.90 : x
  2. Step 2: Convert to fraction form
    861,003.70/1,291,505.55 = 623,230.90/x
  3. Step 3: Cross multiply
    861,003.70x = 1,291,505.55 × 623,230.90
  4. Step 4: Simplify right side
    861,003.70x = 804,906,166,281.50
  5. Step 5: Solve for x
    x = 804,906,166,281.50/861,003.70
  6. Step 6: Final answer
    x = 934,846.35

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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.