Home / 1,561,008.42-2,154,233.61-881,930.34

Finding the Fourth Proportional to 1,561,008.42, 2,154,233.61 and 881,930.34

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Solution

The fourth proportional to 1,561,008.42, 2,154,233.61 and 881,930.34 is: 1,217,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,008.42 : 2,154,233.61 = 881,930.34 : x
  2. Step 2: Convert to fraction form
    1,561,008.42/2,154,233.61 = 881,930.34/x
  3. Step 3: Cross multiply
    1,561,008.42x = 2,154,233.61 × 881,930.34
  4. Step 4: Simplify right side
    1,561,008.42x = 1,899,883,980,106.73
  5. Step 5: Solve for x
    x = 1,899,883,980,106.73/1,561,008.42
  6. Step 6: Final answer
    x = 1,217,087.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.