Home / 1,139,715.92-1,706,834.21-651,919.64

Finding the Fourth Proportional to 1,139,715.92, 1,706,834.21 and 651,919.64

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Solution

The fourth proportional to 1,139,715.92, 1,706,834.21 and 651,919.64 is: 976,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,715.92 : 1,706,834.21 = 651,919.64 : x
  2. Step 2: Convert to fraction form
    1,139,715.92/1,706,834.21 = 651,919.64/x
  3. Step 3: Cross multiply
    1,139,715.92x = 1,706,834.21 × 651,919.64
  4. Step 4: Simplify right side
    1,139,715.92x = 1,112,718,743,722.88
  5. Step 5: Solve for x
    x = 1,112,718,743,722.88/1,139,715.92
  6. Step 6: Final answer
    x = 976,312.36

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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.