Home / 400,466.16-552,766.28-230,813.20

Finding the Fourth Proportional to 400,466.16, 552,766.28 and 230,813.20

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Solution

The fourth proportional to 400,466.16, 552,766.28 and 230,813.20 is: 318,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,466.16 : 552,766.28 = 230,813.20 : x
  2. Step 2: Convert to fraction form
    400,466.16/552,766.28 = 230,813.20/x
  3. Step 3: Cross multiply
    400,466.16x = 552,766.28 × 230,813.20
  4. Step 4: Simplify right side
    400,466.16x = 127,585,753,938.90
  5. Step 5: Solve for x
    x = 127,585,753,938.90/400,466.16
  6. Step 6: Final answer
    x = 318,593.10

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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.