Home / 731,721.66-1,097,909.73-465,413.10

Finding the Fourth Proportional to 731,721.66, 1,097,909.73 and 465,413.10

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Solution

The fourth proportional to 731,721.66, 1,097,909.73 and 465,413.10 is: 698,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,721.66 : 1,097,909.73 = 465,413.10 : x
  2. Step 2: Convert to fraction form
    731,721.66/1,097,909.73 = 465,413.10/x
  3. Step 3: Cross multiply
    731,721.66x = 1,097,909.73 × 465,413.10
  4. Step 4: Simplify right side
    731,721.66x = 510,981,570,959.46
  5. Step 5: Solve for x
    x = 510,981,570,959.46/731,721.66
  6. Step 6: Final answer
    x = 698,327.79

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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.