Home / 395,857.11-546,284.28-214,568.45

Finding the Fourth Proportional to 395,857.11, 546,284.28 and 214,568.45

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Solution

The fourth proportional to 395,857.11, 546,284.28 and 214,568.45 is: 296,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,857.11 : 546,284.28 = 214,568.45 : x
  2. Step 2: Convert to fraction form
    395,857.11/546,284.28 = 214,568.45/x
  3. Step 3: Cross multiply
    395,857.11x = 546,284.28 × 214,568.45
  4. Step 4: Simplify right side
    395,857.11x = 117,215,371,218.97
  5. Step 5: Solve for x
    x = 117,215,371,218.97/395,857.11
  6. Step 6: Final answer
    x = 296,105.26

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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.