Home / 467,577.17-645,243.55-263,626.28

Finding the Fourth Proportional to 467,577.17, 645,243.55 and 263,626.28

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Solution

The fourth proportional to 467,577.17, 645,243.55 and 263,626.28 is: 363,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,577.17 : 645,243.55 = 263,626.28 : x
  2. Step 2: Convert to fraction form
    467,577.17/645,243.55 = 263,626.28/x
  3. Step 3: Cross multiply
    467,577.17x = 645,243.55 × 263,626.28
  4. Step 4: Simplify right side
    467,577.17x = 170,103,155,314.87
  5. Step 5: Solve for x
    x = 170,103,155,314.87/467,577.17
  6. Step 6: Final answer
    x = 363,796.97

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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.