Home / 463,238.12-639,214.89-259,300.46

Finding the Fourth Proportional to 463,238.12, 639,214.89 and 259,300.46

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Solution

The fourth proportional to 463,238.12, 639,214.89 and 259,300.46 is: 357,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,238.12 : 639,214.89 = 259,300.46 : x
  2. Step 2: Convert to fraction form
    463,238.12/639,214.89 = 259,300.46/x
  3. Step 3: Cross multiply
    463,238.12x = 639,214.89 × 259,300.46
  4. Step 4: Simplify right side
    463,238.12x = 165,748,715,015.85
  5. Step 5: Solve for x
    x = 165,748,715,015.85/463,238.12
  6. Step 6: Final answer
    x = 357,804.57

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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.