Home / 1,217,231.88-1,679,905.56-701,002.68

Finding the Fourth Proportional to 1,217,231.88, 1,679,905.56 and 701,002.68

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Solution

The fourth proportional to 1,217,231.88, 1,679,905.56 and 701,002.68 is: 967,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,231.88 : 1,679,905.56 = 701,002.68 : x
  2. Step 2: Convert to fraction form
    1,217,231.88/1,679,905.56 = 701,002.68/x
  3. Step 3: Cross multiply
    1,217,231.88x = 1,679,905.56 × 701,002.68
  4. Step 4: Simplify right side
    1,217,231.88x = 1,177,618,299,706.90
  5. Step 5: Solve for x
    x = 1,177,618,299,706.90/1,217,231.88
  6. Step 6: Final answer
    x = 967,456.01

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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.