Home / 404,517.09-557,997.87-259,271.13

Finding the Fourth Proportional to 404,517.09, 557,997.87 and 259,271.13

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Solution

The fourth proportional to 404,517.09, 557,997.87 and 259,271.13 is: 357,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,517.09 : 557,997.87 = 259,271.13 : x
  2. Step 2: Convert to fraction form
    404,517.09/557,997.87 = 259,271.13/x
  3. Step 3: Cross multiply
    404,517.09x = 557,997.87 × 259,271.13
  4. Step 4: Simplify right side
    404,517.09x = 144,672,738,292.49
  5. Step 5: Solve for x
    x = 144,672,738,292.49/404,517.09
  6. Step 6: Final answer
    x = 357,643.08

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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.