Home / 823,405.60-1,235,223.60-350,087.20

Finding the Fourth Proportional to 823,405.60, 1,235,223.60 and 350,087.20

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Solution

The fourth proportional to 823,405.60, 1,235,223.60 and 350,087.20 is: 525,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,405.60 : 1,235,223.60 = 350,087.20 : x
  2. Step 2: Convert to fraction form
    823,405.60/1,235,223.60 = 350,087.20/x
  3. Step 3: Cross multiply
    823,405.60x = 1,235,223.60 × 350,087.20
  4. Step 4: Simplify right side
    823,405.60x = 432,435,971,497.92
  5. Step 5: Solve for x
    x = 432,435,971,497.92/823,405.60
  6. Step 6: Final answer
    x = 525,179.78

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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.