Home / 463,353.03-639,391.86-259,357.23

Finding the Fourth Proportional to 463,353.03, 639,391.86 and 259,357.23

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Solution

The fourth proportional to 463,353.03, 639,391.86 and 259,357.23 is: 357,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,353.03 : 639,391.86 = 259,357.23 : x
  2. Step 2: Convert to fraction form
    463,353.03/639,391.86 = 259,357.23/x
  3. Step 3: Cross multiply
    463,353.03x = 639,391.86 × 259,357.23
  4. Step 4: Simplify right side
    463,353.03x = 165,830,901,694.15
  5. Step 5: Solve for x
    x = 165,830,901,694.15/463,353.03
  6. Step 6: Final answer
    x = 357,893.21

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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.