Home / 1,243,645.66-1,855,768.91-1,109,604.34

Finding the Fourth Proportional to 1,243,645.66, 1,855,768.91 and 1,109,604.34

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Solution

The fourth proportional to 1,243,645.66, 1,855,768.91 and 1,109,604.34 is: 1,655,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,645.66 : 1,855,768.91 = 1,109,604.34 : x
  2. Step 2: Convert to fraction form
    1,243,645.66/1,855,768.91 = 1,109,604.34/x
  3. Step 3: Cross multiply
    1,243,645.66x = 1,855,768.91 × 1,109,604.34
  4. Step 4: Simplify right side
    1,243,645.66x = 2,059,169,236,573.07
  5. Step 5: Solve for x
    x = 2,059,169,236,573.07/1,243,645.66
  6. Step 6: Final answer
    x = 1,655,752.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.