Home / 823,522.25-1,233,134.80-662,719.86

Finding the Fourth Proportional to 823,522.25, 1,233,134.80 and 662,719.86

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Solution

The fourth proportional to 823,522.25, 1,233,134.80 and 662,719.86 is: 992,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,522.25 : 1,233,134.80 = 662,719.86 : x
  2. Step 2: Convert to fraction form
    823,522.25/1,233,134.80 = 662,719.86/x
  3. Step 3: Cross multiply
    823,522.25x = 1,233,134.80 × 662,719.86
  4. Step 4: Simplify right side
    823,522.25x = 817,222,920,360.33
  5. Step 5: Solve for x
    x = 817,222,920,360.33/823,522.25
  6. Step 6: Final answer
    x = 992,350.74

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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.