Home / 940,816.46-1,298,337.78-511,103.36

Finding the Fourth Proportional to 940,816.46, 1,298,337.78 and 511,103.36

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Solution

The fourth proportional to 940,816.46, 1,298,337.78 and 511,103.36 is: 705,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,816.46 : 1,298,337.78 = 511,103.36 : x
  2. Step 2: Convert to fraction form
    940,816.46/1,298,337.78 = 511,103.36/x
  3. Step 3: Cross multiply
    940,816.46x = 1,298,337.78 × 511,103.36
  4. Step 4: Simplify right side
    940,816.46x = 663,584,801,772.94
  5. Step 5: Solve for x
    x = 663,584,801,772.94/940,816.46
  6. Step 6: Final answer
    x = 705,328.65

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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.