Home / 928,609.25-1,281,494.12-541,413.86

Finding the Fourth Proportional to 928,609.25, 1,281,494.12 and 541,413.86

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Solution

The fourth proportional to 928,609.25, 1,281,494.12 and 541,413.86 is: 747,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,609.25 : 1,281,494.12 = 541,413.86 : x
  2. Step 2: Convert to fraction form
    928,609.25/1,281,494.12 = 541,413.86/x
  3. Step 3: Cross multiply
    928,609.25x = 1,281,494.12 × 541,413.86
  4. Step 4: Simplify right side
    928,609.25x = 693,818,668,961.96
  5. Step 5: Solve for x
    x = 693,818,668,961.96/928,609.25
  6. Step 6: Final answer
    x = 747,158.91

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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.