Home / 425,462.22-587,127.03-231,874.90

Finding the Fourth Proportional to 425,462.22, 587,127.03 and 231,874.90

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Solution

The fourth proportional to 425,462.22, 587,127.03 and 231,874.90 is: 319,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,462.22 : 587,127.03 = 231,874.90 : x
  2. Step 2: Convert to fraction form
    425,462.22/587,127.03 = 231,874.90/x
  3. Step 3: Cross multiply
    425,462.22x = 587,127.03 × 231,874.90
  4. Step 4: Simplify right side
    425,462.22x = 136,140,021,368.55
  5. Step 5: Solve for x
    x = 136,140,021,368.55/425,462.22
  6. Step 6: Final answer
    x = 319,981.46

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1.5x scale

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.