Home / 778,297.52-1,167,298.66-329,331.94

Finding the Fourth Proportional to 778,297.52, 1,167,298.66 and 329,331.94

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Solution

The fourth proportional to 778,297.52, 1,167,298.66 and 329,331.94 is: 493,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,297.52 : 1,167,298.66 = 329,331.94 : x
  2. Step 2: Convert to fraction form
    778,297.52/1,167,298.66 = 329,331.94/x
  3. Step 3: Cross multiply
    778,297.52x = 1,167,298.66 × 329,331.94
  4. Step 4: Simplify right side
    778,297.52x = 384,428,729,750.62
  5. Step 5: Solve for x
    x = 384,428,729,750.62/778,297.52
  6. Step 6: Final answer
    x = 493,935.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.