Home / 656,413.44-905,829.12-414,825.60

Finding the Fourth Proportional to 656,413.44, 905,829.12 and 414,825.60

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Solution

The fourth proportional to 656,413.44, 905,829.12 and 414,825.60 is: 572,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,413.44 : 905,829.12 = 414,825.60 : x
  2. Step 2: Convert to fraction form
    656,413.44/905,829.12 = 414,825.60/x
  3. Step 3: Cross multiply
    656,413.44x = 905,829.12 × 414,825.60
  4. Step 4: Simplify right side
    656,413.44x = 375,761,108,201.47
  5. Step 5: Solve for x
    x = 375,761,108,201.47/656,413.44
  6. Step 6: Final answer
    x = 572,445.79

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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.