Home / 769,723.44-1,062,215.68-430,191.69

Finding the Fourth Proportional to 769,723.44, 1,062,215.68 and 430,191.69

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Solution

The fourth proportional to 769,723.44, 1,062,215.68 and 430,191.69 is: 593,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,723.44 : 1,062,215.68 = 430,191.69 : x
  2. Step 2: Convert to fraction form
    769,723.44/1,062,215.68 = 430,191.69/x
  3. Step 3: Cross multiply
    769,723.44x = 1,062,215.68 × 430,191.69
  4. Step 4: Simplify right side
    769,723.44x = 456,956,357,448.22
  5. Step 5: Solve for x
    x = 456,956,357,448.22/769,723.44
  6. Step 6: Final answer
    x = 593,663.04

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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.