Home / 1,111,221.60-1,666,832.40-269,773.35

Finding the Fourth Proportional to 1,111,221.60, 1,666,832.40 and 269,773.35

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Solution

The fourth proportional to 1,111,221.60, 1,666,832.40 and 269,773.35 is: 404,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,221.60 : 1,666,832.40 = 269,773.35 : x
  2. Step 2: Convert to fraction form
    1,111,221.60/1,666,832.40 = 269,773.35/x
  3. Step 3: Cross multiply
    1,111,221.60x = 1,666,832.40 × 269,773.35
  4. Step 4: Simplify right side
    1,111,221.60x = 449,666,960,436.54
  5. Step 5: Solve for x
    x = 449,666,960,436.54/1,111,221.60
  6. Step 6: Final answer
    x = 404,660.03

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1.5x scale

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.