Home / 1,422,413.76-2,133,730.80-475,789.44

Finding the Fourth Proportional to 1,422,413.76, 2,133,730.80 and 475,789.44

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Solution

The fourth proportional to 1,422,413.76, 2,133,730.80 and 475,789.44 is: 713,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,413.76 : 2,133,730.80 = 475,789.44 : x
  2. Step 2: Convert to fraction form
    1,422,413.76/2,133,730.80 = 475,789.44/x
  3. Step 3: Cross multiply
    1,422,413.76x = 2,133,730.80 × 475,789.44
  4. Step 4: Simplify right side
    1,422,413.76x = 1,015,206,582,442.75
  5. Step 5: Solve for x
    x = 1,015,206,582,442.75/1,422,413.76
  6. Step 6: Final answer
    x = 713,721.01

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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.