Home / 621,352.86-932,962.41-355,413.66

Finding the Fourth Proportional to 621,352.86, 932,962.41 and 355,413.66

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Solution

The fourth proportional to 621,352.86, 932,962.41 and 355,413.66 is: 533,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,352.86 : 932,962.41 = 355,413.66 : x
  2. Step 2: Convert to fraction form
    621,352.86/932,962.41 = 355,413.66/x
  3. Step 3: Cross multiply
    621,352.86x = 932,962.41 × 355,413.66
  4. Step 4: Simplify right side
    621,352.86x = 331,587,584,780.52
  5. Step 5: Solve for x
    x = 331,587,584,780.52/621,352.86
  6. Step 6: Final answer
    x = 533,654.23

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1.5x scale

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.