Home / 940,976.80-1,298,553.78-511,256.68

Finding the Fourth Proportional to 940,976.80, 1,298,553.78 and 511,256.68

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Solution

The fourth proportional to 940,976.80, 1,298,553.78 and 511,256.68 is: 705,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,976.80 : 1,298,553.78 = 511,256.68 : x
  2. Step 2: Convert to fraction form
    940,976.80/1,298,553.78 = 511,256.68/x
  3. Step 3: Cross multiply
    940,976.80x = 1,298,553.78 × 511,256.68
  4. Step 4: Simplify right side
    940,976.80x = 663,894,294,364.25
  5. Step 5: Solve for x
    x = 663,894,294,364.25/940,976.80
  6. Step 6: Final answer
    x = 705,537.37

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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.