Home / 1,212,149.09-1,818,223.58-1,151,536.79

Finding the Fourth Proportional to 1,212,149.09, 1,818,223.58 and 1,151,536.79

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Solution

The fourth proportional to 1,212,149.09, 1,818,223.58 and 1,151,536.79 is: 1,727,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,149.09 : 1,818,223.58 = 1,151,536.79 : x
  2. Step 2: Convert to fraction form
    1,212,149.09/1,818,223.58 = 1,151,536.79/x
  3. Step 3: Cross multiply
    1,212,149.09x = 1,818,223.58 × 1,151,536.79
  4. Step 4: Simplify right side
    1,212,149.09x = 2,093,751,329,966.71
  5. Step 5: Solve for x
    x = 2,093,751,329,966.71/1,212,149.09
  6. Step 6: Final answer
    x = 1,727,305.13

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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.