Home / 1,202,140.09-1,800,348-695,633.86

Finding the Fourth Proportional to 1,202,140.09, 1,800,348 and 695,633.86

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Solution

The fourth proportional to 1,202,140.09, 1,800,348 and 695,633.86 is: 1,041,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,140.09 : 1,800,348 = 695,633.86 : x
  2. Step 2: Convert to fraction form
    1,202,140.09/1,800,348 = 695,633.86/x
  3. Step 3: Cross multiply
    1,202,140.09x = 1,800,348 × 695,633.86
  4. Step 4: Simplify right side
    1,202,140.09x = 1,252,383,028,583.28
  5. Step 5: Solve for x
    x = 1,252,383,028,583.28/1,202,140.09
  6. Step 6: Final answer
    x = 1,041,794.58

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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.