Home / 665,736.66-997,747.20-580,000.23

Finding the Fourth Proportional to 665,736.66, 997,747.20 and 580,000.23

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Solution

The fourth proportional to 665,736.66, 997,747.20 and 580,000.23 is: 869,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,736.66 : 997,747.20 = 580,000.23 : x
  2. Step 2: Convert to fraction form
    665,736.66/997,747.20 = 580,000.23/x
  3. Step 3: Cross multiply
    665,736.66x = 997,747.20 × 580,000.23
  4. Step 4: Simplify right side
    665,736.66x = 578,693,605,481.86
  5. Step 5: Solve for x
    x = 578,693,605,481.86/665,736.66
  6. Step 6: Final answer
    x = 869,253.02

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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.