Home / 542,823.80-814,284.30-227,215.40

Finding the Fourth Proportional to 542,823.80, 814,284.30 and 227,215.40

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Solution

The fourth proportional to 542,823.80, 814,284.30 and 227,215.40 is: 340,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,823.80 : 814,284.30 = 227,215.40 : x
  2. Step 2: Convert to fraction form
    542,823.80/814,284.30 = 227,215.40/x
  3. Step 3: Cross multiply
    542,823.80x = 814,284.30 × 227,215.40
  4. Step 4: Simplify right side
    542,823.80x = 185,017,932,938.22
  5. Step 5: Solve for x
    x = 185,017,932,938.22/542,823.80
  6. Step 6: Final answer
    x = 340,843.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.