Home / 1,219,601.81-1,683,028.22-675,735.61

Finding the Fourth Proportional to 1,219,601.81, 1,683,028.22 and 675,735.61

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Solution

The fourth proportional to 1,219,601.81, 1,683,028.22 and 675,735.61 is: 932,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,601.81 : 1,683,028.22 = 675,735.61 : x
  2. Step 2: Convert to fraction form
    1,219,601.81/1,683,028.22 = 675,735.61/x
  3. Step 3: Cross multiply
    1,219,601.81x = 1,683,028.22 × 675,735.61
  4. Step 4: Simplify right side
    1,219,601.81x = 1,137,282,100,888.91
  5. Step 5: Solve for x
    x = 1,137,282,100,888.91/1,219,601.81
  6. Step 6: Final answer
    x = 932,502.80

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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.