Home / 1,285,413.66-1,772,647.20-769,084.83

Finding the Fourth Proportional to 1,285,413.66, 1,772,647.20 and 769,084.83

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Solution

The fourth proportional to 1,285,413.66, 1,772,647.20 and 769,084.83 is: 1,060,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,413.66 : 1,772,647.20 = 769,084.83 : x
  2. Step 2: Convert to fraction form
    1,285,413.66/1,772,647.20 = 769,084.83/x
  3. Step 3: Cross multiply
    1,285,413.66x = 1,772,647.20 × 769,084.83
  4. Step 4: Simplify right side
    1,285,413.66x = 1,363,316,070,461.98
  5. Step 5: Solve for x
    x = 1,363,316,070,461.98/1,285,413.66
  6. Step 6: Final answer
    x = 1,060,604.93

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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.