Home / 1,516,942.76-2,093,380.92-819,223.51

Finding the Fourth Proportional to 1,516,942.76, 2,093,380.92 and 819,223.51

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Solution

The fourth proportional to 1,516,942.76, 2,093,380.92 and 819,223.51 is: 1,130,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,942.76 : 2,093,380.92 = 819,223.51 : x
  2. Step 2: Convert to fraction form
    1,516,942.76/2,093,380.92 = 819,223.51/x
  3. Step 3: Cross multiply
    1,516,942.76x = 2,093,380.92 × 819,223.51
  4. Step 4: Simplify right side
    1,516,942.76x = 1,714,946,865,049.43
  5. Step 5: Solve for x
    x = 1,714,946,865,049.43/1,516,942.76
  6. Step 6: Final answer
    x = 1,130,528.40

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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.