Home / 701,366.74-1,052,315.07-421,079.38

Finding the Fourth Proportional to 701,366.74, 1,052,315.07 and 421,079.38

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Solution

The fourth proportional to 701,366.74, 1,052,315.07 and 421,079.38 is: 631,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,366.74 : 1,052,315.07 = 421,079.38 : x
  2. Step 2: Convert to fraction form
    701,366.74/1,052,315.07 = 421,079.38/x
  3. Step 3: Cross multiply
    701,366.74x = 1,052,315.07 × 421,079.38
  4. Step 4: Simplify right side
    701,366.74x = 443,108,177,240.26
  5. Step 5: Solve for x
    x = 443,108,177,240.26/701,366.74
  6. Step 6: Final answer
    x = 631,778.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.