Home / 461,028.78-636,282.14-270,118.26

Finding the Fourth Proportional to 461,028.78, 636,282.14 and 270,118.26

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Solution

The fourth proportional to 461,028.78, 636,282.14 and 270,118.26 is: 372,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,028.78 : 636,282.14 = 270,118.26 : x
  2. Step 2: Convert to fraction form
    461,028.78/636,282.14 = 270,118.26/x
  3. Step 3: Cross multiply
    461,028.78x = 636,282.14 × 270,118.26
  4. Step 4: Simplify right side
    461,028.78x = 171,871,423,175.29
  5. Step 5: Solve for x
    x = 171,871,423,175.29/461,028.78
  6. Step 6: Final answer
    x = 372,799.77

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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.