Home / 1,689,862.40-2,332,103.49-964,942.98

Finding the Fourth Proportional to 1,689,862.40, 2,332,103.49 and 964,942.98

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Solution

The fourth proportional to 1,689,862.40, 2,332,103.49 and 964,942.98 is: 1,331,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,862.40 : 2,332,103.49 = 964,942.98 : x
  2. Step 2: Convert to fraction form
    1,689,862.40/2,332,103.49 = 964,942.98/x
  3. Step 3: Cross multiply
    1,689,862.40x = 2,332,103.49 × 964,942.98
  4. Step 4: Simplify right side
    1,689,862.40x = 2,250,346,891,309.00
  5. Step 5: Solve for x
    x = 2,250,346,891,309.00/1,689,862.40
  6. Step 6: Final answer
    x = 1,331,674.64

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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.