Home / 1,811,358.03-2,716,870.41-613,143.39

Finding the Fourth Proportional to 1,811,358.03, 2,716,870.41 and 613,143.39

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Solution

The fourth proportional to 1,811,358.03, 2,716,870.41 and 613,143.39 is: 919,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,358.03 : 2,716,870.41 = 613,143.39 : x
  2. Step 2: Convert to fraction form
    1,811,358.03/2,716,870.41 = 613,143.39/x
  3. Step 3: Cross multiply
    1,811,358.03x = 2,716,870.41 × 613,143.39
  4. Step 4: Simplify right side
    1,811,358.03x = 1,665,831,133,378.09
  5. Step 5: Solve for x
    x = 1,665,831,133,378.09/1,811,358.03
  6. Step 6: Final answer
    x = 919,658.68

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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.