Home / 656,554.20-984,140.10-257,040.60

Finding the Fourth Proportional to 656,554.20, 984,140.10 and 257,040.60

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Solution

The fourth proportional to 656,554.20, 984,140.10 and 257,040.60 is: 385,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,554.20 : 984,140.10 = 257,040.60 : x
  2. Step 2: Convert to fraction form
    656,554.20/984,140.10 = 257,040.60/x
  3. Step 3: Cross multiply
    656,554.20x = 984,140.10 × 257,040.60
  4. Step 4: Simplify right side
    656,554.20x = 252,963,961,788.06
  5. Step 5: Solve for x
    x = 252,963,961,788.06/656,554.20
  6. Step 6: Final answer
    x = 385,290.30

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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.