Home / 1,219,338.56-1,682,686.92-675,509.66

Finding the Fourth Proportional to 1,219,338.56, 1,682,686.92 and 675,509.66

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Solution

The fourth proportional to 1,219,338.56, 1,682,686.92 and 675,509.66 is: 932,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,338.56 : 1,682,686.92 = 675,509.66 : x
  2. Step 2: Convert to fraction form
    1,219,338.56/1,682,686.92 = 675,509.66/x
  3. Step 3: Cross multiply
    1,219,338.56x = 1,682,686.92 × 675,509.66
  4. Step 4: Simplify right side
    1,219,338.56x = 1,136,671,269,215.65
  5. Step 5: Solve for x
    x = 1,136,671,269,215.65/1,219,338.56
  6. Step 6: Final answer
    x = 932,203.17

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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.