Home / 404,023.66-557,603.12-231,995.45

Finding the Fourth Proportional to 404,023.66, 557,603.12 and 231,995.45

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Solution

The fourth proportional to 404,023.66, 557,603.12 and 231,995.45 is: 320,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,023.66 : 557,603.12 = 231,995.45 : x
  2. Step 2: Convert to fraction form
    404,023.66/557,603.12 = 231,995.45/x
  3. Step 3: Cross multiply
    404,023.66x = 557,603.12 × 231,995.45
  4. Step 4: Simplify right side
    404,023.66x = 129,361,385,585.83
  5. Step 5: Solve for x
    x = 129,361,385,585.83/404,023.66
  6. Step 6: Final answer
    x = 320,182.70

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1.5x scale

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.