Home / 743,169.06-1,025,597.52-420,872.22

Finding the Fourth Proportional to 743,169.06, 1,025,597.52 and 420,872.22

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Solution

The fourth proportional to 743,169.06, 1,025,597.52 and 420,872.22 is: 580,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,169.06 : 1,025,597.52 = 420,872.22 : x
  2. Step 2: Convert to fraction form
    743,169.06/1,025,597.52 = 420,872.22/x
  3. Step 3: Cross multiply
    743,169.06x = 1,025,597.52 × 420,872.22
  4. Step 4: Simplify right side
    743,169.06x = 431,645,505,068.89
  5. Step 5: Solve for x
    x = 431,645,505,068.89/743,169.06
  6. Step 6: Final answer
    x = 580,817.38

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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.