Home / 819,698.16-1,131,132.24-452,179.54

Finding the Fourth Proportional to 819,698.16, 1,131,132.24 and 452,179.54

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Solution

The fourth proportional to 819,698.16, 1,131,132.24 and 452,179.54 is: 623,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,698.16 : 1,131,132.24 = 452,179.54 : x
  2. Step 2: Convert to fraction form
    819,698.16/1,131,132.24 = 452,179.54/x
  3. Step 3: Cross multiply
    819,698.16x = 1,131,132.24 × 452,179.54
  4. Step 4: Simplify right side
    819,698.16x = 511,474,855,962.37
  5. Step 5: Solve for x
    x = 511,474,855,962.37/819,698.16
  6. Step 6: Final answer
    x = 623,979.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.