Home / 840,543.93-1,260,905.90-233,334.78

Finding the Fourth Proportional to 840,543.93, 1,260,905.90 and 233,334.78

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Solution

The fourth proportional to 840,543.93, 1,260,905.90 and 233,334.78 is: 350,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,543.93 : 1,260,905.90 = 233,334.78 : x
  2. Step 2: Convert to fraction form
    840,543.93/1,260,905.90 = 233,334.78/x
  3. Step 3: Cross multiply
    840,543.93x = 1,260,905.90 × 233,334.78
  4. Step 4: Simplify right side
    840,543.93x = 294,213,196,522.78
  5. Step 5: Solve for x
    x = 294,213,196,522.78/840,543.93
  6. Step 6: Final answer
    x = 350,027.15

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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.