Home / 375,220.32-517,854.06-222,246.42

Finding the Fourth Proportional to 375,220.32, 517,854.06 and 222,246.42

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Solution

The fourth proportional to 375,220.32, 517,854.06 and 222,246.42 is: 306,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,220.32 : 517,854.06 = 222,246.42 : x
  2. Step 2: Convert to fraction form
    375,220.32/517,854.06 = 222,246.42/x
  3. Step 3: Cross multiply
    375,220.32x = 517,854.06 × 222,246.42
  4. Step 4: Simplify right side
    375,220.32x = 115,091,210,917.47
  5. Step 5: Solve for x
    x = 115,091,210,917.47/375,220.32
  6. Step 6: Final answer
    x = 306,729.69

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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.