Home / 521,413.26-719,550.30-282,949.26

Finding the Fourth Proportional to 521,413.26, 719,550.30 and 282,949.26

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Solution

The fourth proportional to 521,413.26, 719,550.30 and 282,949.26 is: 390,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,413.26 : 719,550.30 = 282,949.26 : x
  2. Step 2: Convert to fraction form
    521,413.26/719,550.30 = 282,949.26/x
  3. Step 3: Cross multiply
    521,413.26x = 719,550.30 × 282,949.26
  4. Step 4: Simplify right side
    521,413.26x = 203,596,224,917.78
  5. Step 5: Solve for x
    x = 203,596,224,917.78/521,413.26
  6. Step 6: Final answer
    x = 390,469.98

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1.5x scale

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.