Home / 552,778.08-827,838.36-315,401.10

Finding the Fourth Proportional to 552,778.08, 827,838.36 and 315,401.10

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Solution

The fourth proportional to 552,778.08, 827,838.36 and 315,401.10 is: 472,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,778.08 : 827,838.36 = 315,401.10 : x
  2. Step 2: Convert to fraction form
    552,778.08/827,838.36 = 315,401.10/x
  3. Step 3: Cross multiply
    552,778.08x = 827,838.36 × 315,401.10
  4. Step 4: Simplify right side
    552,778.08x = 261,101,129,366.20
  5. Step 5: Solve for x
    x = 261,101,129,366.20/552,778.08
  6. Step 6: Final answer
    x = 472,343.49

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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.