Home / 731,144.36-1,093,742.21-618,120.20

Finding the Fourth Proportional to 731,144.36, 1,093,742.21 and 618,120.20

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Solution

The fourth proportional to 731,144.36, 1,093,742.21 and 618,120.20 is: 924,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,144.36 : 1,093,742.21 = 618,120.20 : x
  2. Step 2: Convert to fraction form
    731,144.36/1,093,742.21 = 618,120.20/x
  3. Step 3: Cross multiply
    731,144.36x = 1,093,742.21 × 618,120.20
  4. Step 4: Simplify right side
    731,144.36x = 676,064,145,034.33
  5. Step 5: Solve for x
    x = 676,064,145,034.33/731,144.36
  6. Step 6: Final answer
    x = 924,665.75

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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.