Home / 770,531.06-1,063,380.22-431,022.26

Finding the Fourth Proportional to 770,531.06, 1,063,380.22 and 431,022.26

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Solution

The fourth proportional to 770,531.06, 1,063,380.22 and 431,022.26 is: 594,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,531.06 : 1,063,380.22 = 431,022.26 : x
  2. Step 2: Convert to fraction form
    770,531.06/1,063,380.22 = 431,022.26/x
  3. Step 3: Cross multiply
    770,531.06x = 1,063,380.22 × 431,022.26
  4. Step 4: Simplify right side
    770,531.06x = 458,340,545,663.70
  5. Step 5: Solve for x
    x = 458,340,545,663.70/770,531.06
  6. Step 6: Final answer
    x = 594,837.21

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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.