Home / 1,211,251.59-1,816,880.13-1,137,265.38

Finding the Fourth Proportional to 1,211,251.59, 1,816,880.13 and 1,137,265.38

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Solution

The fourth proportional to 1,211,251.59, 1,816,880.13 and 1,137,265.38 is: 1,705,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,251.59 : 1,816,880.13 = 1,137,265.38 : x
  2. Step 2: Convert to fraction form
    1,211,251.59/1,816,880.13 = 1,137,265.38/x
  3. Step 3: Cross multiply
    1,211,251.59x = 1,816,880.13 × 1,137,265.38
  4. Step 4: Simplify right side
    1,211,251.59x = 2,066,274,871,458.90
  5. Step 5: Solve for x
    x = 2,066,274,871,458.90/1,211,251.59
  6. Step 6: Final answer
    x = 1,705,900.65

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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.