Home / 558,029.02-768,713.38-404,616.42

Finding the Fourth Proportional to 558,029.02, 768,713.38 and 404,616.42

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Solution

The fourth proportional to 558,029.02, 768,713.38 and 404,616.42 is: 557,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,029.02 : 768,713.38 = 404,616.42 : x
  2. Step 2: Convert to fraction form
    558,029.02/768,713.38 = 404,616.42/x
  3. Step 3: Cross multiply
    558,029.02x = 768,713.38 × 404,616.42
  4. Step 4: Simplify right side
    558,029.02x = 311,034,055,821.70
  5. Step 5: Solve for x
    x = 311,034,055,821.70/558,029.02
  6. Step 6: Final answer
    x = 557,379.71

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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.