Home / 516,407.06-773,173.98-263,141.53

Finding the Fourth Proportional to 516,407.06, 773,173.98 and 263,141.53

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Solution

The fourth proportional to 516,407.06, 773,173.98 and 263,141.53 is: 393,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,407.06 : 773,173.98 = 263,141.53 : x
  2. Step 2: Convert to fraction form
    516,407.06/773,173.98 = 263,141.53/x
  3. Step 3: Cross multiply
    516,407.06x = 773,173.98 × 263,141.53
  4. Step 4: Simplify right side
    516,407.06x = 203,454,182,120.45
  5. Step 5: Solve for x
    x = 203,454,182,120.45/516,407.06
  6. Step 6: Final answer
    x = 393,980.25

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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.