Home / 926,542.09-1,278,568.83-518,575.33

Finding the Fourth Proportional to 926,542.09, 1,278,568.83 and 518,575.33

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Solution

The fourth proportional to 926,542.09, 1,278,568.83 and 518,575.33 is: 715,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,542.09 : 1,278,568.83 = 518,575.33 : x
  2. Step 2: Convert to fraction form
    926,542.09/1,278,568.83 = 518,575.33/x
  3. Step 3: Cross multiply
    926,542.09x = 1,278,568.83 × 518,575.33
  4. Step 4: Simplify right side
    926,542.09x = 663,034,252,944.96
  5. Step 5: Solve for x
    x = 663,034,252,944.96/926,542.09
  6. Step 6: Final answer
    x = 715,600.79

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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.