Home / 435,944.80-653,917.20-225,647.20

Finding the Fourth Proportional to 435,944.80, 653,917.20 and 225,647.20

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Solution

The fourth proportional to 435,944.80, 653,917.20 and 225,647.20 is: 338,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,944.80 : 653,917.20 = 225,647.20 : x
  2. Step 2: Convert to fraction form
    435,944.80/653,917.20 = 225,647.20/x
  3. Step 3: Cross multiply
    435,944.80x = 653,917.20 × 225,647.20
  4. Step 4: Simplify right side
    435,944.80x = 147,554,585,211.84
  5. Step 5: Solve for x
    x = 147,554,585,211.84/435,944.80
  6. Step 6: Final answer
    x = 338,470.80

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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.