Home / 578,721.67-868,082.60-241,578.43

Finding the Fourth Proportional to 578,721.67, 868,082.60 and 241,578.43

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Solution

The fourth proportional to 578,721.67, 868,082.60 and 241,578.43 is: 362,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,721.67 : 868,082.60 = 241,578.43 : x
  2. Step 2: Convert to fraction form
    578,721.67/868,082.60 = 241,578.43/x
  3. Step 3: Cross multiply
    578,721.67x = 868,082.60 × 241,578.43
  4. Step 4: Simplify right side
    578,721.67x = 209,710,031,618.32
  5. Step 5: Solve for x
    x = 209,710,031,618.32/578,721.67
  6. Step 6: Final answer
    x = 362,367.68

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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.