Home / 463,769.08-639,856.06-259,792.45

Finding the Fourth Proportional to 463,769.08, 639,856.06 and 259,792.45

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Solution

The fourth proportional to 463,769.08, 639,856.06 and 259,792.45 is: 358,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,769.08 : 639,856.06 = 259,792.45 : x
  2. Step 2: Convert to fraction form
    463,769.08/639,856.06 = 259,792.45/x
  3. Step 3: Cross multiply
    463,769.08x = 639,856.06 × 259,792.45
  4. Step 4: Simplify right side
    463,769.08x = 166,229,773,474.75
  5. Step 5: Solve for x
    x = 166,229,773,474.75/463,769.08
  6. Step 6: Final answer
    x = 358,432.20

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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.