Home / 1,242,803.93-1,715,053.14-698,939.55

Finding the Fourth Proportional to 1,242,803.93, 1,715,053.14 and 698,939.55

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Solution

The fourth proportional to 1,242,803.93, 1,715,053.14 and 698,939.55 is: 964,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,803.93 : 1,715,053.14 = 698,939.55 : x
  2. Step 2: Convert to fraction form
    1,242,803.93/1,715,053.14 = 698,939.55/x
  3. Step 3: Cross multiply
    1,242,803.93x = 1,715,053.14 × 698,939.55
  4. Step 4: Simplify right side
    1,242,803.93x = 1,198,718,469,897.69
  5. Step 5: Solve for x
    x = 1,198,718,469,897.69/1,242,803.93
  6. Step 6: Final answer
    x = 964,527.43

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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.