Home / 621,844.20-933,227.10-248,135.40

Finding the Fourth Proportional to 621,844.20, 933,227.10 and 248,135.40

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Solution

The fourth proportional to 621,844.20, 933,227.10 and 248,135.40 is: 372,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,844.20 : 933,227.10 = 248,135.40 : x
  2. Step 2: Convert to fraction form
    621,844.20/933,227.10 = 248,135.40/x
  3. Step 3: Cross multiply
    621,844.20x = 933,227.10 × 248,135.40
  4. Step 4: Simplify right side
    621,844.20x = 231,566,679,749.34
  5. Step 5: Solve for x
    x = 231,566,679,749.34/621,844.20
  6. Step 6: Final answer
    x = 372,386.97

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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.