Home / 638,048.43-880,546.16-351,568.44

Finding the Fourth Proportional to 638,048.43, 880,546.16 and 351,568.44

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Solution

The fourth proportional to 638,048.43, 880,546.16 and 351,568.44 is: 485,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,048.43 : 880,546.16 = 351,568.44 : x
  2. Step 2: Convert to fraction form
    638,048.43/880,546.16 = 351,568.44/x
  3. Step 3: Cross multiply
    638,048.43x = 880,546.16 × 351,568.44
  4. Step 4: Simplify right side
    638,048.43x = 309,572,238,061.35
  5. Step 5: Solve for x
    x = 309,572,238,061.35/638,048.43
  6. Step 6: Final answer
    x = 485,186.11

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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.