Home / 578,828.62-867,906.32-219,027.25

Finding the Fourth Proportional to 578,828.62, 867,906.32 and 219,027.25

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Solution

The fourth proportional to 578,828.62, 867,906.32 and 219,027.25 is: 328,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,828.62 : 867,906.32 = 219,027.25 : x
  2. Step 2: Convert to fraction form
    578,828.62/867,906.32 = 219,027.25/x
  3. Step 3: Cross multiply
    578,828.62x = 867,906.32 × 219,027.25
  4. Step 4: Simplify right side
    578,828.62x = 190,095,132,691.99
  5. Step 5: Solve for x
    x = 190,095,132,691.99/578,828.62
  6. Step 6: Final answer
    x = 328,413.50

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Double scale
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1.5x scale

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.