Home / 1,376,526.76-1,899,660.78-941,855.76

Finding the Fourth Proportional to 1,376,526.76, 1,899,660.78 and 941,855.76

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Solution

The fourth proportional to 1,376,526.76, 1,899,660.78 and 941,855.76 is: 1,299,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,526.76 : 1,899,660.78 = 941,855.76 : x
  2. Step 2: Convert to fraction form
    1,376,526.76/1,899,660.78 = 941,855.76/x
  3. Step 3: Cross multiply
    1,376,526.76x = 1,899,660.78 × 941,855.76
  4. Step 4: Simplify right side
    1,376,526.76x = 1,789,206,447,689.09
  5. Step 5: Solve for x
    x = 1,789,206,447,689.09/1,376,526.76
  6. Step 6: Final answer
    x = 1,299,797.80

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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.