Home / 975,836.78-1,347,481.42-613,377.38

Finding the Fourth Proportional to 975,836.78, 1,347,481.42 and 613,377.38

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Solution

The fourth proportional to 975,836.78, 1,347,481.42 and 613,377.38 is: 846,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,836.78 : 1,347,481.42 = 613,377.38 : x
  2. Step 2: Convert to fraction form
    975,836.78/1,347,481.42 = 613,377.38/x
  3. Step 3: Cross multiply
    975,836.78x = 1,347,481.42 × 613,377.38
  4. Step 4: Simplify right side
    975,836.78x = 826,514,622,998.28
  5. Step 5: Solve for x
    x = 826,514,622,998.28/975,836.78
  6. Step 6: Final answer
    x = 846,980.40

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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.