Home / 1,198,861.65-1,654,902.36-740,161.64

Finding the Fourth Proportional to 1,198,861.65, 1,654,902.36 and 740,161.64

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Solution

The fourth proportional to 1,198,861.65, 1,654,902.36 and 740,161.64 is: 1,021,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,861.65 : 1,654,902.36 = 740,161.64 : x
  2. Step 2: Convert to fraction form
    1,198,861.65/1,654,902.36 = 740,161.64/x
  3. Step 3: Cross multiply
    1,198,861.65x = 1,654,902.36 × 740,161.64
  4. Step 4: Simplify right side
    1,198,861.65x = 1,224,895,248,954.73
  5. Step 5: Solve for x
    x = 1,224,895,248,954.73/1,198,861.65
  6. Step 6: Final answer
    x = 1,021,715.27

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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.