Home / 463,118.19-639,137.43-259,189.53

Finding the Fourth Proportional to 463,118.19, 639,137.43 and 259,189.53

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Solution

The fourth proportional to 463,118.19, 639,137.43 and 259,189.53 is: 357,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,118.19 : 639,137.43 = 259,189.53 : x
  2. Step 2: Convert to fraction form
    463,118.19/639,137.43 = 259,189.53/x
  3. Step 3: Cross multiply
    463,118.19x = 639,137.43 × 259,189.53
  4. Step 4: Simplify right side
    463,118.19x = 165,657,730,087.11
  5. Step 5: Solve for x
    x = 165,657,730,087.11/463,118.19
  6. Step 6: Final answer
    x = 357,700.76

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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.