Home / 475,400.97-655,675.43-404,017.29

Finding the Fourth Proportional to 475,400.97, 655,675.43 and 404,017.29

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Solution

The fourth proportional to 475,400.97, 655,675.43 and 404,017.29 is: 557,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,400.97 : 655,675.43 = 404,017.29 : x
  2. Step 2: Convert to fraction form
    475,400.97/655,675.43 = 404,017.29/x
  3. Step 3: Cross multiply
    475,400.97x = 655,675.43 × 404,017.29
  4. Step 4: Simplify right side
    475,400.97x = 264,904,208,328.10
  5. Step 5: Solve for x
    x = 264,904,208,328.10/475,400.97
  6. Step 6: Final answer
    x = 557,222.69

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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.