Home / 324,784.08-448,077.60-197,413.20

Finding the Fourth Proportional to 324,784.08, 448,077.60 and 197,413.20

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Solution

The fourth proportional to 324,784.08, 448,077.60 and 197,413.20 is: 272,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,784.08 : 448,077.60 = 197,413.20 : x
  2. Step 2: Convert to fraction form
    324,784.08/448,077.60 = 197,413.20/x
  3. Step 3: Cross multiply
    324,784.08x = 448,077.60 × 197,413.20
  4. Step 4: Simplify right side
    324,784.08x = 88,456,432,864.32
  5. Step 5: Solve for x
    x = 88,456,432,864.32/324,784.08
  6. Step 6: Final answer
    x = 272,354.58

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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.