Home / 838,991.28-1,257,790.20-333,240.24

Finding the Fourth Proportional to 838,991.28, 1,257,790.20 and 333,240.24

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Solution

The fourth proportional to 838,991.28, 1,257,790.20 and 333,240.24 is: 499,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,991.28 : 1,257,790.20 = 333,240.24 : x
  2. Step 2: Convert to fraction form
    838,991.28/1,257,790.20 = 333,240.24/x
  3. Step 3: Cross multiply
    838,991.28x = 1,257,790.20 × 333,240.24
  4. Step 4: Simplify right side
    838,991.28x = 419,146,308,117.65
  5. Step 5: Solve for x
    x = 419,146,308,117.65/838,991.28
  6. Step 6: Final answer
    x = 499,583.63

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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.