Home / 1,113,953.30-1,670,494.05-394,016.79

Finding the Fourth Proportional to 1,113,953.30, 1,670,494.05 and 394,016.79

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Solution

The fourth proportional to 1,113,953.30, 1,670,494.05 and 394,016.79 is: 590,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,953.30 : 1,670,494.05 = 394,016.79 : x
  2. Step 2: Convert to fraction form
    1,113,953.30/1,670,494.05 = 394,016.79/x
  3. Step 3: Cross multiply
    1,113,953.30x = 1,670,494.05 × 394,016.79
  4. Step 4: Simplify right side
    1,113,953.30x = 658,202,703,295.10
  5. Step 5: Solve for x
    x = 658,202,703,295.10/1,113,953.30
  6. Step 6: Final answer
    x = 590,871.01

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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.