Home / 463,320.16-639,376.92-259,372.76

Finding the Fourth Proportional to 463,320.16, 639,376.92 and 259,372.76

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Solution

The fourth proportional to 463,320.16, 639,376.92 and 259,372.76 is: 357,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,320.16 : 639,376.92 = 259,372.76 : x
  2. Step 2: Convert to fraction form
    463,320.16/639,376.92 = 259,372.76/x
  3. Step 3: Cross multiply
    463,320.16x = 639,376.92 × 259,372.76
  4. Step 4: Simplify right side
    463,320.16x = 165,836,953,223.82
  5. Step 5: Solve for x
    x = 165,836,953,223.82/463,320.16
  6. Step 6: Final answer
    x = 357,931.66

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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.