Home / 1,516,255.06-2,091,554.84-979,711.06

Finding the Fourth Proportional to 1,516,255.06, 2,091,554.84 and 979,711.06

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Solution

The fourth proportional to 1,516,255.06, 2,091,554.84 and 979,711.06 is: 1,351,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,255.06 : 2,091,554.84 = 979,711.06 : x
  2. Step 2: Convert to fraction form
    1,516,255.06/2,091,554.84 = 979,711.06/x
  3. Step 3: Cross multiply
    1,516,255.06x = 2,091,554.84 × 979,711.06
  4. Step 4: Simplify right side
    1,516,255.06x = 2,049,119,409,344.53
  5. Step 5: Solve for x
    x = 2,049,119,409,344.53/1,516,255.06
  6. Step 6: Final answer
    x = 1,351,434.51

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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.