Home / 386,718.44-533,551.82-225,459.38

Finding the Fourth Proportional to 386,718.44, 533,551.82 and 225,459.38

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Solution

The fourth proportional to 386,718.44, 533,551.82 and 225,459.38 is: 311,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,718.44 : 533,551.82 = 225,459.38 : x
  2. Step 2: Convert to fraction form
    386,718.44/533,551.82 = 225,459.38/x
  3. Step 3: Cross multiply
    386,718.44x = 533,551.82 × 225,459.38
  4. Step 4: Simplify right side
    386,718.44x = 120,294,262,535.07
  5. Step 5: Solve for x
    x = 120,294,262,535.07/386,718.44
  6. Step 6: Final answer
    x = 311,064.20

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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.