Home / 1,101,409.87-1,520,096.94-618,003.60

Finding the Fourth Proportional to 1,101,409.87, 1,520,096.94 and 618,003.60

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Solution

The fourth proportional to 1,101,409.87, 1,520,096.94 and 618,003.60 is: 852,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,409.87 : 1,520,096.94 = 618,003.60 : x
  2. Step 2: Convert to fraction form
    1,101,409.87/1,520,096.94 = 618,003.60/x
  3. Step 3: Cross multiply
    1,101,409.87x = 1,520,096.94 × 618,003.60
  4. Step 4: Simplify right side
    1,101,409.87x = 939,425,381,268.98
  5. Step 5: Solve for x
    x = 939,425,381,268.98/1,101,409.87
  6. Step 6: Final answer
    x = 852,929.87

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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.