Home / 656,578.20-984,176.10-257,064.60

Finding the Fourth Proportional to 656,578.20, 984,176.10 and 257,064.60

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Solution

The fourth proportional to 656,578.20, 984,176.10 and 257,064.60 is: 385,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,578.20 : 984,176.10 = 257,064.60 : x
  2. Step 2: Convert to fraction form
    656,578.20/984,176.10 = 257,064.60/x
  3. Step 3: Cross multiply
    656,578.20x = 984,176.10 × 257,064.60
  4. Step 4: Simplify right side
    656,578.20x = 252,996,835,476.06
  5. Step 5: Solve for x
    x = 252,996,835,476.06/656,578.20
  6. Step 6: Final answer
    x = 385,326.28

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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.