Home / 770,636.16-1,063,476.36-431,104.41

Finding the Fourth Proportional to 770,636.16, 1,063,476.36 and 431,104.41

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Solution

The fourth proportional to 770,636.16, 1,063,476.36 and 431,104.41 is: 594,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,636.16 : 1,063,476.36 = 431,104.41 : x
  2. Step 2: Convert to fraction form
    770,636.16/1,063,476.36 = 431,104.41/x
  3. Step 3: Cross multiply
    770,636.16x = 1,063,476.36 × 431,104.41
  4. Step 4: Simplify right side
    770,636.16x = 458,469,348,726.75
  5. Step 5: Solve for x
    x = 458,469,348,726.75/770,636.16
  6. Step 6: Final answer
    x = 594,923.22

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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.