Home / 621,822.80-932,734.20-266,776.40

Finding the Fourth Proportional to 621,822.80, 932,734.20 and 266,776.40

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Solution

The fourth proportional to 621,822.80, 932,734.20 and 266,776.40 is: 400,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,822.80 : 932,734.20 = 266,776.40 : x
  2. Step 2: Convert to fraction form
    621,822.80/932,734.20 = 266,776.40/x
  3. Step 3: Cross multiply
    621,822.80x = 932,734.20 × 266,776.40
  4. Step 4: Simplify right side
    621,822.80x = 248,831,472,032.88
  5. Step 5: Solve for x
    x = 248,831,472,032.88/621,822.80
  6. Step 6: Final answer
    x = 400,164.60

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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.