Home / 463,727.16-639,967.26-259,765.80

Finding the Fourth Proportional to 463,727.16, 639,967.26 and 259,765.80

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Solution

The fourth proportional to 463,727.16, 639,967.26 and 259,765.80 is: 358,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,727.16 : 639,967.26 = 259,765.80 : x
  2. Step 2: Convert to fraction form
    463,727.16/639,967.26 = 259,765.80/x
  3. Step 3: Cross multiply
    463,727.16x = 639,967.26 × 259,765.80
  4. Step 4: Simplify right side
    463,727.16x = 166,241,607,267.71
  5. Step 5: Solve for x
    x = 166,241,607,267.71/463,727.16
  6. Step 6: Final answer
    x = 358,490.12

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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.