Home / 621,742.20-932,613.30-248,033.40

Finding the Fourth Proportional to 621,742.20, 932,613.30 and 248,033.40

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Solution

The fourth proportional to 621,742.20, 932,613.30 and 248,033.40 is: 372,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,742.20 : 932,613.30 = 248,033.40 : x
  2. Step 2: Convert to fraction form
    621,742.20/932,613.30 = 248,033.40/x
  3. Step 3: Cross multiply
    621,742.20x = 932,613.30 × 248,033.40
  4. Step 4: Simplify right side
    621,742.20x = 231,319,247,684.22
  5. Step 5: Solve for x
    x = 231,319,247,684.22/621,742.20
  6. Step 6: Final answer
    x = 372,050.10

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Double scale
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Similar ratio
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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.