Home / 345,024.20-517,536.30-251,712.20

Finding the Fourth Proportional to 345,024.20, 517,536.30 and 251,712.20

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Solution

The fourth proportional to 345,024.20, 517,536.30 and 251,712.20 is: 377,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,024.20 : 517,536.30 = 251,712.20 : x
  2. Step 2: Convert to fraction form
    345,024.20/517,536.30 = 251,712.20/x
  3. Step 3: Cross multiply
    345,024.20x = 517,536.30 × 251,712.20
  4. Step 4: Simplify right side
    345,024.20x = 130,270,200,652.86
  5. Step 5: Solve for x
    x = 130,270,200,652.86/345,024.20
  6. Step 6: Final answer
    x = 377,568.30

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1.5x scale

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.