Home / 1,198,385.80-1,652,677.09-936,775.67

Finding the Fourth Proportional to 1,198,385.80, 1,652,677.09 and 936,775.67

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Solution

The fourth proportional to 1,198,385.80, 1,652,677.09 and 936,775.67 is: 1,291,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,385.80 : 1,652,677.09 = 936,775.67 : x
  2. Step 2: Convert to fraction form
    1,198,385.80/1,652,677.09 = 936,775.67/x
  3. Step 3: Cross multiply
    1,198,385.80x = 1,652,677.09 × 936,775.67
  4. Step 4: Simplify right side
    1,198,385.80x = 1,548,187,677,673.08
  5. Step 5: Solve for x
    x = 1,548,187,677,673.08/1,198,385.80
  6. Step 6: Final answer
    x = 1,291,894.21

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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.