Home / 1,211,951.26-1,672,417.62-668,058.94

Finding the Fourth Proportional to 1,211,951.26, 1,672,417.62 and 668,058.94

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Solution

The fourth proportional to 1,211,951.26, 1,672,417.62 and 668,058.94 is: 921,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,951.26 : 1,672,417.62 = 668,058.94 : x
  2. Step 2: Convert to fraction form
    1,211,951.26/1,672,417.62 = 668,058.94/x
  3. Step 3: Cross multiply
    1,211,951.26x = 1,672,417.62 × 668,058.94
  4. Step 4: Simplify right side
    1,211,951.26x = 1,117,273,542,454.52
  5. Step 5: Solve for x
    x = 1,117,273,542,454.52/1,211,951.26
  6. Step 6: Final answer
    x = 921,879.93

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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.