Home / 905,489.02-1,356,971.88-680,587.05

Finding the Fourth Proportional to 905,489.02, 1,356,971.88 and 680,587.05

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Solution

The fourth proportional to 905,489.02, 1,356,971.88 and 680,587.05 is: 1,019,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,489.02 : 1,356,971.88 = 680,587.05 : x
  2. Step 2: Convert to fraction form
    905,489.02/1,356,971.88 = 680,587.05/x
  3. Step 3: Cross multiply
    905,489.02x = 1,356,971.88 × 680,587.05
  4. Step 4: Simplify right side
    905,489.02x = 923,537,488,742.15
  5. Step 5: Solve for x
    x = 923,537,488,742.15/905,489.02
  6. Step 6: Final answer
    x = 1,019,932.29

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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.