Home / 1,225,863.12-1,838,791.48-384,413.52

Finding the Fourth Proportional to 1,225,863.12, 1,838,791.48 and 384,413.52

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Solution

The fourth proportional to 1,225,863.12, 1,838,791.48 and 384,413.52 is: 576,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,863.12 : 1,838,791.48 = 384,413.52 : x
  2. Step 2: Convert to fraction form
    1,225,863.12/1,838,791.48 = 384,413.52/x
  3. Step 3: Cross multiply
    1,225,863.12x = 1,838,791.48 × 384,413.52
  4. Step 4: Simplify right side
    1,225,863.12x = 706,856,305,372.81
  5. Step 5: Solve for x
    x = 706,856,305,372.81/1,225,863.12
  6. Step 6: Final answer
    x = 576,619.28

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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.