Home / 376,431.12-561,938.96-322,542.82

Finding the Fourth Proportional to 376,431.12, 561,938.96 and 322,542.82

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Solution

The fourth proportional to 376,431.12, 561,938.96 and 322,542.82 is: 481,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,431.12 : 561,938.96 = 322,542.82 : x
  2. Step 2: Convert to fraction form
    376,431.12/561,938.96 = 322,542.82/x
  3. Step 3: Cross multiply
    376,431.12x = 561,938.96 × 322,542.82
  4. Step 4: Simplify right side
    376,431.12x = 181,249,376,826.27
  5. Step 5: Solve for x
    x = 181,249,376,826.27/376,431.12
  6. Step 6: Final answer
    x = 481,494.14

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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.