Home / 404,040.15-557,451.86-234,240.39

Finding the Fourth Proportional to 404,040.15, 557,451.86 and 234,240.39

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Solution

The fourth proportional to 404,040.15, 557,451.86 and 234,240.39 is: 323,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,040.15 : 557,451.86 = 234,240.39 : x
  2. Step 2: Convert to fraction form
    404,040.15/557,451.86 = 234,240.39/x
  3. Step 3: Cross multiply
    404,040.15x = 557,451.86 × 234,240.39
  4. Step 4: Simplify right side
    404,040.15x = 130,577,739,921.42
  5. Step 5: Solve for x
    x = 130,577,739,921.42/404,040.15
  6. Step 6: Final answer
    x = 323,180.11

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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.