Home / 563,877.15-778,078.77-322,175.38

Finding the Fourth Proportional to 563,877.15, 778,078.77 and 322,175.38

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Solution

The fourth proportional to 563,877.15, 778,078.77 and 322,175.38 is: 444,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,877.15 : 778,078.77 = 322,175.38 : x
  2. Step 2: Convert to fraction form
    563,877.15/778,078.77 = 322,175.38/x
  3. Step 3: Cross multiply
    563,877.15x = 778,078.77 × 322,175.38
  4. Step 4: Simplify right side
    563,877.15x = 250,677,823,394.68
  5. Step 5: Solve for x
    x = 250,677,823,394.68/563,877.15
  6. Step 6: Final answer
    x = 444,561.06

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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.