Home / 1,198,975.19-1,798,583.67-389,325.71

Finding the Fourth Proportional to 1,198,975.19, 1,798,583.67 and 389,325.71

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Solution

The fourth proportional to 1,198,975.19, 1,798,583.67 and 389,325.71 is: 584,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,975.19 : 1,798,583.67 = 389,325.71 : x
  2. Step 2: Convert to fraction form
    1,198,975.19/1,798,583.67 = 389,325.71/x
  3. Step 3: Cross multiply
    1,198,975.19x = 1,798,583.67 × 389,325.71
  4. Step 4: Simplify right side
    1,198,975.19x = 700,234,868,813.62
  5. Step 5: Solve for x
    x = 700,234,868,813.62/1,198,975.19
  6. Step 6: Final answer
    x = 584,027.82

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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.