Home / 1,638,679.68-2,260,096.02-1,065,902.76

Finding the Fourth Proportional to 1,638,679.68, 2,260,096.02 and 1,065,902.76

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Solution

The fourth proportional to 1,638,679.68, 2,260,096.02 and 1,065,902.76 is: 1,470,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,679.68 : 2,260,096.02 = 1,065,902.76 : x
  2. Step 2: Convert to fraction form
    1,638,679.68/2,260,096.02 = 1,065,902.76/x
  3. Step 3: Cross multiply
    1,638,679.68x = 2,260,096.02 × 1,065,902.76
  4. Step 4: Simplify right side
    1,638,679.68x = 2,409,042,585,583.02
  5. Step 5: Solve for x
    x = 2,409,042,585,583.02/1,638,679.68
  6. Step 6: Final answer
    x = 1,470,111.95

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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.