Home / 1,332,592.16-1,838,971.62-720,745.56

Finding the Fourth Proportional to 1,332,592.16, 1,838,971.62 and 720,745.56

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Solution

The fourth proportional to 1,332,592.16, 1,838,971.62 and 720,745.56 is: 994,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,592.16 : 1,838,971.62 = 720,745.56 : x
  2. Step 2: Convert to fraction form
    1,332,592.16/1,838,971.62 = 720,745.56/x
  3. Step 3: Cross multiply
    1,332,592.16x = 1,838,971.62 × 720,745.56
  4. Step 4: Simplify right side
    1,332,592.16x = 1,325,430,630,081.01
  5. Step 5: Solve for x
    x = 1,325,430,630,081.01/1,332,592.16
  6. Step 6: Final answer
    x = 994,625.87

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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.