Home / 539,200.30-809,456.55-272,823.70

Finding the Fourth Proportional to 539,200.30, 809,456.55 and 272,823.70

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Solution

The fourth proportional to 539,200.30, 809,456.55 and 272,823.70 is: 409,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,200.30 : 809,456.55 = 272,823.70 : x
  2. Step 2: Convert to fraction form
    539,200.30/809,456.55 = 272,823.70/x
  3. Step 3: Cross multiply
    539,200.30x = 809,456.55 × 272,823.70
  4. Step 4: Simplify right side
    539,200.30x = 220,838,930,960.24
  5. Step 5: Solve for x
    x = 220,838,930,960.24/539,200.30
  6. Step 6: Final answer
    x = 409,567.52

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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.