Home / 838,289.44-1,156,990.40-494,105.27

Finding the Fourth Proportional to 838,289.44, 1,156,990.40 and 494,105.27

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Solution

The fourth proportional to 838,289.44, 1,156,990.40 and 494,105.27 is: 681,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,289.44 : 1,156,990.40 = 494,105.27 : x
  2. Step 2: Convert to fraction form
    838,289.44/1,156,990.40 = 494,105.27/x
  3. Step 3: Cross multiply
    838,289.44x = 1,156,990.40 × 494,105.27
  4. Step 4: Simplify right side
    838,289.44x = 571,675,054,401.36
  5. Step 5: Solve for x
    x = 571,675,054,401.36/838,289.44
  6. Step 6: Final answer
    x = 681,954.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.