Home / 1,151,583.44-1,589,185.31-642,285.81

Finding the Fourth Proportional to 1,151,583.44, 1,589,185.31 and 642,285.81

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Solution

The fourth proportional to 1,151,583.44, 1,589,185.31 and 642,285.81 is: 886,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,583.44 : 1,589,185.31 = 642,285.81 : x
  2. Step 2: Convert to fraction form
    1,151,583.44/1,589,185.31 = 642,285.81/x
  3. Step 3: Cross multiply
    1,151,583.44x = 1,589,185.31 × 642,285.81
  4. Step 4: Simplify right side
    1,151,583.44x = 1,020,711,170,862.02
  5. Step 5: Solve for x
    x = 1,020,711,170,862.02/1,151,583.44
  6. Step 6: Final answer
    x = 886,354.51

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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.