Home / 731,224.20-1,096,317.90-281,771.40

Finding the Fourth Proportional to 731,224.20, 1,096,317.90 and 281,771.40

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Solution

The fourth proportional to 731,224.20, 1,096,317.90 and 281,771.40 is: 422,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,224.20 : 1,096,317.90 = 281,771.40 : x
  2. Step 2: Convert to fraction form
    731,224.20/1,096,317.90 = 281,771.40/x
  3. Step 3: Cross multiply
    731,224.20x = 1,096,317.90 × 281,771.40
  4. Step 4: Simplify right side
    731,224.20x = 308,911,029,528.06
  5. Step 5: Solve for x
    x = 308,911,029,528.06/731,224.20
  6. Step 6: Final answer
    x = 422,457.34

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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.