Home / 511,023.57-767,213.60-436,621.83

Finding the Fourth Proportional to 511,023.57, 767,213.60 and 436,621.83

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Solution

The fourth proportional to 511,023.57, 767,213.60 and 436,621.83 is: 655,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,023.57 : 767,213.60 = 436,621.83 : x
  2. Step 2: Convert to fraction form
    511,023.57/767,213.60 = 436,621.83/x
  3. Step 3: Cross multiply
    511,023.57x = 767,213.60 × 436,621.83
  4. Step 4: Simplify right side
    511,023.57x = 334,982,206,032.89
  5. Step 5: Solve for x
    x = 334,982,206,032.89/511,023.57
  6. Step 6: Final answer
    x = 655,512.24

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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.