Home / 1,362,541.10-1,880,216.75-818,353.53

Finding the Fourth Proportional to 1,362,541.10, 1,880,216.75 and 818,353.53

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Solution

The fourth proportional to 1,362,541.10, 1,880,216.75 and 818,353.53 is: 1,129,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,541.10 : 1,880,216.75 = 818,353.53 : x
  2. Step 2: Convert to fraction form
    1,362,541.10/1,880,216.75 = 818,353.53/x
  3. Step 3: Cross multiply
    1,362,541.10x = 1,880,216.75 × 818,353.53
  4. Step 4: Simplify right side
    1,362,541.10x = 1,538,682,016,573.51
  5. Step 5: Solve for x
    x = 1,538,682,016,573.51/1,362,541.10
  6. Step 6: Final answer
    x = 1,129,273.84

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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.