Home / 591,770.40-887,218.20-325,831.20

Finding the Fourth Proportional to 591,770.40, 887,218.20 and 325,831.20

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Solution

The fourth proportional to 591,770.40, 887,218.20 and 325,831.20 is: 488,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,770.40 : 887,218.20 = 325,831.20 : x
  2. Step 2: Convert to fraction form
    591,770.40/887,218.20 = 325,831.20/x
  3. Step 3: Cross multiply
    591,770.40x = 887,218.20 × 325,831.20
  4. Step 4: Simplify right side
    591,770.40x = 289,083,370,767.84
  5. Step 5: Solve for x
    x = 289,083,370,767.84/591,770.40
  6. Step 6: Final answer
    x = 488,505.97

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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.