Home / 1,151,508.37-1,589,084.31-642,243.55

Finding the Fourth Proportional to 1,151,508.37, 1,589,084.31 and 642,243.55

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Solution

The fourth proportional to 1,151,508.37, 1,589,084.31 and 642,243.55 is: 886,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,508.37 : 1,589,084.31 = 642,243.55 : x
  2. Step 2: Convert to fraction form
    1,151,508.37/1,589,084.31 = 642,243.55/x
  3. Step 3: Cross multiply
    1,151,508.37x = 1,589,084.31 × 642,243.55
  4. Step 4: Simplify right side
    1,151,508.37x = 1,020,579,148,503.70
  5. Step 5: Solve for x
    x = 1,020,579,148,503.70/1,151,508.37
  6. Step 6: Final answer
    x = 886,297.64

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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.