Home / 941,216.76-1,298,887.25-511,496.78

Finding the Fourth Proportional to 941,216.76, 1,298,887.25 and 511,496.78

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Solution

The fourth proportional to 941,216.76, 1,298,887.25 and 511,496.78 is: 705,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,216.76 : 1,298,887.25 = 511,496.78 : x
  2. Step 2: Convert to fraction form
    941,216.76/1,298,887.25 = 511,496.78/x
  3. Step 3: Cross multiply
    941,216.76x = 1,298,887.25 × 511,496.78
  4. Step 4: Simplify right side
    941,216.76x = 664,376,636,906.14
  5. Step 5: Solve for x
    x = 664,376,636,906.14/941,216.76
  6. Step 6: Final answer
    x = 705,869.96

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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.