Home / 621,895.20-932,151.60-266,848.80

Finding the Fourth Proportional to 621,895.20, 932,151.60 and 266,848.80

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Solution

The fourth proportional to 621,895.20, 932,151.60 and 266,848.80 is: 399,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,895.20 : 932,151.60 = 266,848.80 : x
  2. Step 2: Convert to fraction form
    621,895.20/932,151.60 = 266,848.80/x
  3. Step 3: Cross multiply
    621,895.20x = 932,151.60 × 266,848.80
  4. Step 4: Simplify right side
    621,895.20x = 248,743,535,878.08
  5. Step 5: Solve for x
    x = 248,743,535,878.08/621,895.20
  6. Step 6: Final answer
    x = 399,976.61

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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.