Home / 1,432,202.06-1,976,413.02-787,624.04

Finding the Fourth Proportional to 1,432,202.06, 1,976,413.02 and 787,624.04

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Solution

The fourth proportional to 1,432,202.06, 1,976,413.02 and 787,624.04 is: 1,086,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,202.06 : 1,976,413.02 = 787,624.04 : x
  2. Step 2: Convert to fraction form
    1,432,202.06/1,976,413.02 = 787,624.04/x
  3. Step 3: Cross multiply
    1,432,202.06x = 1,976,413.02 × 787,624.04
  4. Step 4: Simplify right side
    1,432,202.06x = 1,556,670,407,521.00
  5. Step 5: Solve for x
    x = 1,556,670,407,521.00/1,432,202.06
  6. Step 6: Final answer
    x = 1,086,906.97

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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.