Home / 1,261,516.97-1,893,111.20-693,294.91

Finding the Fourth Proportional to 1,261,516.97, 1,893,111.20 and 693,294.91

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Solution

The fourth proportional to 1,261,516.97, 1,893,111.20 and 693,294.91 is: 1,040,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,516.97 : 1,893,111.20 = 693,294.91 : x
  2. Step 2: Convert to fraction form
    1,261,516.97/1,893,111.20 = 693,294.91/x
  3. Step 3: Cross multiply
    1,261,516.97x = 1,893,111.20 × 693,294.91
  4. Step 4: Simplify right side
    1,261,516.97x = 1,312,484,359,023.99
  5. Step 5: Solve for x
    x = 1,312,484,359,023.99/1,261,516.97
  6. Step 6: Final answer
    x = 1,040,401.67

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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.