Home / 1,561,586.61-2,154,995.31-908,369.37

Finding the Fourth Proportional to 1,561,586.61, 2,154,995.31 and 908,369.37

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Solution

The fourth proportional to 1,561,586.61, 2,154,995.31 and 908,369.37 is: 1,253,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,586.61 : 2,154,995.31 = 908,369.37 : x
  2. Step 2: Convert to fraction form
    1,561,586.61/2,154,995.31 = 908,369.37/x
  3. Step 3: Cross multiply
    1,561,586.61x = 2,154,995.31 × 908,369.37
  4. Step 4: Simplify right side
    1,561,586.61x = 1,957,531,735,504.04
  5. Step 5: Solve for x
    x = 1,957,531,735,504.04/1,561,586.61
  6. Step 6: Final answer
    x = 1,253,553.10

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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.