Home / 656,574.20-984,170.10-257,060.60

Finding the Fourth Proportional to 656,574.20, 984,170.10 and 257,060.60

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Solution

The fourth proportional to 656,574.20, 984,170.10 and 257,060.60 is: 385,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,574.20 : 984,170.10 = 257,060.60 : x
  2. Step 2: Convert to fraction form
    656,574.20/984,170.10 = 257,060.60/x
  3. Step 3: Cross multiply
    656,574.20x = 984,170.10 × 257,060.60
  4. Step 4: Simplify right side
    656,574.20x = 252,991,356,408.06
  5. Step 5: Solve for x
    x = 252,991,356,408.06/656,574.20
  6. Step 6: Final answer
    x = 385,320.28

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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.