Home / 426,401.57-588,432.53-235,413.56

Finding the Fourth Proportional to 426,401.57, 588,432.53 and 235,413.56

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Solution

The fourth proportional to 426,401.57, 588,432.53 and 235,413.56 is: 324,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,401.57 : 588,432.53 = 235,413.56 : x
  2. Step 2: Convert to fraction form
    426,401.57/588,432.53 = 235,413.56/x
  3. Step 3: Cross multiply
    426,401.57x = 588,432.53 × 235,413.56
  4. Step 4: Simplify right side
    426,401.57x = 138,524,998,766.72
  5. Step 5: Solve for x
    x = 138,524,998,766.72/426,401.57
  6. Step 6: Final answer
    x = 324,869.81

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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.