Home / 770,825.23-1,063,711.68-426,661.83

Finding the Fourth Proportional to 770,825.23, 1,063,711.68 and 426,661.83

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Solution

The fourth proportional to 770,825.23, 1,063,711.68 and 426,661.83 is: 588,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,825.23 : 1,063,711.68 = 426,661.83 : x
  2. Step 2: Convert to fraction form
    770,825.23/1,063,711.68 = 426,661.83/x
  3. Step 3: Cross multiply
    770,825.23x = 1,063,711.68 × 426,661.83
  4. Step 4: Simplify right side
    770,825.23x = 453,845,170,381.19
  5. Step 5: Solve for x
    x = 453,845,170,381.19/770,825.23
  6. Step 6: Final answer
    x = 588,778.30

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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.