Home / 1,223,140.70-1,834,711.05-971,198.30

Finding the Fourth Proportional to 1,223,140.70, 1,834,711.05 and 971,198.30

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Solution

The fourth proportional to 1,223,140.70, 1,834,711.05 and 971,198.30 is: 1,456,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,140.70 : 1,834,711.05 = 971,198.30 : x
  2. Step 2: Convert to fraction form
    1,223,140.70/1,834,711.05 = 971,198.30/x
  3. Step 3: Cross multiply
    1,223,140.70x = 1,834,711.05 × 971,198.30
  4. Step 4: Simplify right side
    1,223,140.70x = 1,781,868,252,751.22
  5. Step 5: Solve for x
    x = 1,781,868,252,751.22/1,223,140.70
  6. Step 6: Final answer
    x = 1,456,797.45

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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.