Home / 539,638.23-809,316.30-160,456.85

Finding the Fourth Proportional to 539,638.23, 809,316.30 and 160,456.85

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Solution

The fourth proportional to 539,638.23, 809,316.30 and 160,456.85 is: 240,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,638.23 : 809,316.30 = 160,456.85 : x
  2. Step 2: Convert to fraction form
    539,638.23/809,316.30 = 160,456.85/x
  3. Step 3: Cross multiply
    539,638.23x = 809,316.30 × 160,456.85
  4. Step 4: Simplify right side
    539,638.23x = 129,860,340,105.07
  5. Step 5: Solve for x
    x = 129,860,340,105.07/539,638.23
  6. Step 6: Final answer
    x = 240,643.33

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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.