Home / 769,023.56-1,153,535.10-559,991.72

Finding the Fourth Proportional to 769,023.56, 1,153,535.10 and 559,991.72

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Solution

The fourth proportional to 769,023.56, 1,153,535.10 and 559,991.72 is: 839,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,023.56 : 1,153,535.10 = 559,991.72 : x
  2. Step 2: Convert to fraction form
    769,023.56/1,153,535.10 = 559,991.72/x
  3. Step 3: Cross multiply
    769,023.56x = 1,153,535.10 × 559,991.72
  4. Step 4: Simplify right side
    769,023.56x = 645,970,104,729.37
  5. Step 5: Solve for x
    x = 645,970,104,729.37/769,023.56
  6. Step 6: Final answer
    x = 839,987.41

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1.5x scale

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.