Home / 773,086.24-1,065,871.44-500,672.80

Finding the Fourth Proportional to 773,086.24, 1,065,871.44 and 500,672.80

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Solution

The fourth proportional to 773,086.24, 1,065,871.44 and 500,672.80 is: 690,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,086.24 : 1,065,871.44 = 500,672.80 : x
  2. Step 2: Convert to fraction form
    773,086.24/1,065,871.44 = 500,672.80/x
  3. Step 3: Cross multiply
    773,086.24x = 1,065,871.44 × 500,672.80
  4. Step 4: Simplify right side
    773,086.24x = 533,652,838,304.83
  5. Step 5: Solve for x
    x = 533,652,838,304.83/773,086.24
  6. Step 6: Final answer
    x = 690,288.88

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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.