Home / 916,684.80-1,265,257.56-626,413.88

Finding the Fourth Proportional to 916,684.80, 1,265,257.56 and 626,413.88

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Solution

The fourth proportional to 916,684.80, 1,265,257.56 and 626,413.88 is: 864,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,684.80 : 1,265,257.56 = 626,413.88 : x
  2. Step 2: Convert to fraction form
    916,684.80/1,265,257.56 = 626,413.88/x
  3. Step 3: Cross multiply
    916,684.80x = 1,265,257.56 × 626,413.88
  4. Step 4: Simplify right side
    916,684.80x = 792,574,897,358.93
  5. Step 5: Solve for x
    x = 792,574,897,358.93/916,684.80
  6. Step 6: Final answer
    x = 864,610.06

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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.