Home / 1,094,734.20-1,638,164.70-740,440.20

Finding the Fourth Proportional to 1,094,734.20, 1,638,164.70 and 740,440.20

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Solution

The fourth proportional to 1,094,734.20, 1,638,164.70 and 740,440.20 is: 1,107,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,734.20 : 1,638,164.70 = 740,440.20 : x
  2. Step 2: Convert to fraction form
    1,094,734.20/1,638,164.70 = 740,440.20/x
  3. Step 3: Cross multiply
    1,094,734.20x = 1,638,164.70 × 740,440.20
  4. Step 4: Simplify right side
    1,094,734.20x = 1,212,962,998,100.94
  5. Step 5: Solve for x
    x = 1,212,962,998,100.94/1,094,734.20
  6. Step 6: Final answer
    x = 1,107,997.72

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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.