Home / 741,318.33-1,022,991.75-401,779.29

Finding the Fourth Proportional to 741,318.33, 1,022,991.75 and 401,779.29

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Solution

The fourth proportional to 741,318.33, 1,022,991.75 and 401,779.29 is: 554,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,318.33 : 1,022,991.75 = 401,779.29 : x
  2. Step 2: Convert to fraction form
    741,318.33/1,022,991.75 = 401,779.29/x
  3. Step 3: Cross multiply
    741,318.33x = 1,022,991.75 × 401,779.29
  4. Step 4: Simplify right side
    741,318.33x = 411,016,898,990.86
  5. Step 5: Solve for x
    x = 411,016,898,990.86/741,318.33
  6. Step 6: Final answer
    x = 554,440.49

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1.5x scale

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.