Home / 869,549.60-1,304,324.40-769,822.40

Finding the Fourth Proportional to 869,549.60, 1,304,324.40 and 769,822.40

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Solution

The fourth proportional to 869,549.60, 1,304,324.40 and 769,822.40 is: 1,154,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,549.60 : 1,304,324.40 = 769,822.40 : x
  2. Step 2: Convert to fraction form
    869,549.60/1,304,324.40 = 769,822.40/x
  3. Step 3: Cross multiply
    869,549.60x = 1,304,324.40 × 769,822.40
  4. Step 4: Simplify right side
    869,549.60x = 1,004,098,139,986.56
  5. Step 5: Solve for x
    x = 1,004,098,139,986.56/869,549.60
  6. Step 6: Final answer
    x = 1,154,733.60

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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.