Home / 769,722.97-1,062,215.03-430,191.22

Finding the Fourth Proportional to 769,722.97, 1,062,215.03 and 430,191.22

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Solution

The fourth proportional to 769,722.97, 1,062,215.03 and 430,191.22 is: 593,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,722.97 : 1,062,215.03 = 430,191.22 : x
  2. Step 2: Convert to fraction form
    769,722.97/1,062,215.03 = 430,191.22/x
  3. Step 3: Cross multiply
    769,722.97x = 1,062,215.03 × 430,191.22
  4. Step 4: Simplify right side
    769,722.97x = 456,955,580,069.63
  5. Step 5: Solve for x
    x = 456,955,580,069.63/769,722.97
  6. Step 6: Final answer
    x = 593,662.39

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1.5x scale

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.