Home / 622,171.40-933,257.10-307,243.40

Finding the Fourth Proportional to 622,171.40, 933,257.10 and 307,243.40

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Solution

The fourth proportional to 622,171.40, 933,257.10 and 307,243.40 is: 460,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,171.40 : 933,257.10 = 307,243.40 : x
  2. Step 2: Convert to fraction form
    622,171.40/933,257.10 = 307,243.40/x
  3. Step 3: Cross multiply
    622,171.40x = 933,257.10 × 307,243.40
  4. Step 4: Simplify right side
    622,171.40x = 286,737,084,478.14
  5. Step 5: Solve for x
    x = 286,737,084,478.14/622,171.40
  6. Step 6: Final answer
    x = 460,865.10

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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.