Home / 578,828.90-867,906.74-219,027.53

Finding the Fourth Proportional to 578,828.90, 867,906.74 and 219,027.53

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Solution

The fourth proportional to 578,828.90, 867,906.74 and 219,027.53 is: 328,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,828.90 : 867,906.74 = 219,027.53 : x
  2. Step 2: Convert to fraction form
    578,828.90/867,906.74 = 219,027.53/x
  3. Step 3: Cross multiply
    578,828.90x = 867,906.74 × 219,027.53
  4. Step 4: Simplify right side
    578,828.90x = 190,095,472,249.89
  5. Step 5: Solve for x
    x = 190,095,472,249.89/578,828.90
  6. Step 6: Final answer
    x = 328,413.93

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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.