Home / 511,108.11-704,850.78-403,934.17

Finding the Fourth Proportional to 511,108.11, 704,850.78 and 403,934.17

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Solution

The fourth proportional to 511,108.11, 704,850.78 and 403,934.17 is: 557,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,108.11 : 704,850.78 = 403,934.17 : x
  2. Step 2: Convert to fraction form
    511,108.11/704,850.78 = 403,934.17/x
  3. Step 3: Cross multiply
    511,108.11x = 704,850.78 × 403,934.17
  4. Step 4: Simplify right side
    511,108.11x = 284,713,314,793.15
  5. Step 5: Solve for x
    x = 284,713,314,793.15/511,108.11
  6. Step 6: Final answer
    x = 557,051.06

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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.