Home / 886,943.30-1,330,285.35-255,791.30

Finding the Fourth Proportional to 886,943.30, 1,330,285.35 and 255,791.30

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Solution

The fourth proportional to 886,943.30, 1,330,285.35 and 255,791.30 is: 383,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,943.30 : 1,330,285.35 = 255,791.30 : x
  2. Step 2: Convert to fraction form
    886,943.30/1,330,285.35 = 255,791.30/x
  3. Step 3: Cross multiply
    886,943.30x = 1,330,285.35 × 255,791.30
  4. Step 4: Simplify right side
    886,943.30x = 340,275,419,047.46
  5. Step 5: Solve for x
    x = 340,275,419,047.46/886,943.30
  6. Step 6: Final answer
    x = 383,649.57

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Double scale
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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.