Home / 1,340,138.54-2,010,583.01-541,980.59

Finding the Fourth Proportional to 1,340,138.54, 2,010,583.01 and 541,980.59

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Solution

The fourth proportional to 1,340,138.54, 2,010,583.01 and 541,980.59 is: 813,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,138.54 : 2,010,583.01 = 541,980.59 : x
  2. Step 2: Convert to fraction form
    1,340,138.54/2,010,583.01 = 541,980.59/x
  3. Step 3: Cross multiply
    1,340,138.54x = 2,010,583.01 × 541,980.59
  4. Step 4: Simplify right side
    1,340,138.54x = 1,089,696,957,305.81
  5. Step 5: Solve for x
    x = 1,089,696,957,305.81/1,340,138.54
  6. Step 6: Final answer
    x = 813,122.62

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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.