Home / 928,959.07-1,393,440.78-255,049.60

Finding the Fourth Proportional to 928,959.07, 1,393,440.78 and 255,049.60

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Solution

The fourth proportional to 928,959.07, 1,393,440.78 and 255,049.60 is: 382,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,959.07 : 1,393,440.78 = 255,049.60 : x
  2. Step 2: Convert to fraction form
    928,959.07/1,393,440.78 = 255,049.60/x
  3. Step 3: Cross multiply
    928,959.07x = 1,393,440.78 × 255,049.60
  4. Step 4: Simplify right side
    928,959.07x = 355,396,513,562.69
  5. Step 5: Solve for x
    x = 355,396,513,562.69/928,959.07
  6. Step 6: Final answer
    x = 382,575.00

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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.