Home / 777,743.43-1,073,319.03-433,579.29

Finding the Fourth Proportional to 777,743.43, 1,073,319.03 and 433,579.29

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Solution

The fourth proportional to 777,743.43, 1,073,319.03 and 433,579.29 is: 598,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,743.43 : 1,073,319.03 = 433,579.29 : x
  2. Step 2: Convert to fraction form
    777,743.43/1,073,319.03 = 433,579.29/x
  3. Step 3: Cross multiply
    777,743.43x = 1,073,319.03 × 433,579.29
  4. Step 4: Simplify right side
    777,743.43x = 465,368,902,970.89
  5. Step 5: Solve for x
    x = 465,368,902,970.89/777,743.43
  6. Step 6: Final answer
    x = 598,357.87

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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.