Home / 1,491,868.88-2,059,141.64-911,580.66

Finding the Fourth Proportional to 1,491,868.88, 2,059,141.64 and 911,580.66

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Solution

The fourth proportional to 1,491,868.88, 2,059,141.64 and 911,580.66 is: 1,258,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,868.88 : 2,059,141.64 = 911,580.66 : x
  2. Step 2: Convert to fraction form
    1,491,868.88/2,059,141.64 = 911,580.66/x
  3. Step 3: Cross multiply
    1,491,868.88x = 2,059,141.64 × 911,580.66
  4. Step 4: Simplify right side
    1,491,868.88x = 1,877,073,685,463.63
  5. Step 5: Solve for x
    x = 1,877,073,685,463.63/1,491,868.88
  6. Step 6: Final answer
    x = 1,258,202.86

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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.