Home / 822,659.33-1,233,863.80-317,146.53

Finding the Fourth Proportional to 822,659.33, 1,233,863.80 and 317,146.53

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Solution

The fourth proportional to 822,659.33, 1,233,863.80 and 317,146.53 is: 475,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,659.33 : 1,233,863.80 = 317,146.53 : x
  2. Step 2: Convert to fraction form
    822,659.33/1,233,863.80 = 317,146.53/x
  3. Step 3: Cross multiply
    822,659.33x = 1,233,863.80 × 317,146.53
  4. Step 4: Simplify right side
    822,659.33x = 391,315,622,662.61
  5. Step 5: Solve for x
    x = 391,315,622,662.61/822,659.33
  6. Step 6: Final answer
    x = 475,671.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.