Home / 563,905.11-778,230.29-322,182.49

Finding the Fourth Proportional to 563,905.11, 778,230.29 and 322,182.49

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Solution

The fourth proportional to 563,905.11, 778,230.29 and 322,182.49 is: 444,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,905.11 : 778,230.29 = 322,182.49 : x
  2. Step 2: Convert to fraction form
    563,905.11/778,230.29 = 322,182.49/x
  3. Step 3: Cross multiply
    563,905.11x = 778,230.29 × 322,182.49
  4. Step 4: Simplify right side
    563,905.11x = 250,732,172,625.62
  5. Step 5: Solve for x
    x = 250,732,172,625.62/563,905.11
  6. Step 6: Final answer
    x = 444,635.40

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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.