Home / 683,740.20-1,025,610.30-234,400.80

Finding the Fourth Proportional to 683,740.20, 1,025,610.30 and 234,400.80

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Solution

The fourth proportional to 683,740.20, 1,025,610.30 and 234,400.80 is: 351,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,740.20 : 1,025,610.30 = 234,400.80 : x
  2. Step 2: Convert to fraction form
    683,740.20/1,025,610.30 = 234,400.80/x
  3. Step 3: Cross multiply
    683,740.20x = 1,025,610.30 × 234,400.80
  4. Step 4: Simplify right side
    683,740.20x = 240,403,874,808.24
  5. Step 5: Solve for x
    x = 240,403,874,808.24/683,740.20
  6. Step 6: Final answer
    x = 351,601.20

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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.