Home / 823,951.24-1,234,928.80-349,640.20

Finding the Fourth Proportional to 823,951.24, 1,234,928.80 and 349,640.20

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Solution

The fourth proportional to 823,951.24, 1,234,928.80 and 349,640.20 is: 524,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,951.24 : 1,234,928.80 = 349,640.20 : x
  2. Step 2: Convert to fraction form
    823,951.24/1,234,928.80 = 349,640.20/x
  3. Step 3: Cross multiply
    823,951.24x = 1,234,928.80 × 349,640.20
  4. Step 4: Simplify right side
    823,951.24x = 431,780,752,617.76
  5. Step 5: Solve for x
    x = 431,780,752,617.76/823,951.24
  6. Step 6: Final answer
    x = 524,036.78

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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.