Home / 754,764.12-1,041,723.36-432,690.48

Finding the Fourth Proportional to 754,764.12, 1,041,723.36 and 432,690.48

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Solution

The fourth proportional to 754,764.12, 1,041,723.36 and 432,690.48 is: 597,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,764.12 : 1,041,723.36 = 432,690.48 : x
  2. Step 2: Convert to fraction form
    754,764.12/1,041,723.36 = 432,690.48/x
  3. Step 3: Cross multiply
    754,764.12x = 1,041,723.36 × 432,690.48
  4. Step 4: Simplify right side
    754,764.12x = 450,743,780,665.61
  5. Step 5: Solve for x
    x = 450,743,780,665.61/754,764.12
  6. Step 6: Final answer
    x = 597,198.21

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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.