Home / 376,434.12-561,943.43-322,545.82

Finding the Fourth Proportional to 376,434.12, 561,943.43 and 322,545.82

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Solution

The fourth proportional to 376,434.12, 561,943.43 and 322,545.82 is: 481,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,434.12 : 561,943.43 = 322,545.82 : x
  2. Step 2: Convert to fraction form
    376,434.12/561,943.43 = 322,545.82/x
  3. Step 3: Cross multiply
    376,434.12x = 561,943.43 × 322,545.82
  4. Step 4: Simplify right side
    376,434.12x = 181,252,504,422.96
  5. Step 5: Solve for x
    x = 181,252,504,422.96/376,434.12
  6. Step 6: Final answer
    x = 481,498.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.