Home / 1,932,638.57-2,898,478.85-653,217.64

Finding the Fourth Proportional to 1,932,638.57, 2,898,478.85 and 653,217.64

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Solution

The fourth proportional to 1,932,638.57, 2,898,478.85 and 653,217.64 is: 979,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,638.57 : 2,898,478.85 = 653,217.64 : x
  2. Step 2: Convert to fraction form
    1,932,638.57/2,898,478.85 = 653,217.64/x
  3. Step 3: Cross multiply
    1,932,638.57x = 2,898,478.85 × 653,217.64
  4. Step 4: Simplify right side
    1,932,638.57x = 1,893,337,516,793.49
  5. Step 5: Solve for x
    x = 1,893,337,516,793.49/1,932,638.57
  6. Step 6: Final answer
    x = 979,664.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.