Home / 404,052.81-557,589.93-220,290.74

Finding the Fourth Proportional to 404,052.81, 557,589.93 and 220,290.74

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Solution

The fourth proportional to 404,052.81, 557,589.93 and 220,290.74 is: 303,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,052.81 : 557,589.93 = 220,290.74 : x
  2. Step 2: Convert to fraction form
    404,052.81/557,589.93 = 220,290.74/x
  3. Step 3: Cross multiply
    404,052.81x = 557,589.93 × 220,290.74
  4. Step 4: Simplify right side
    404,052.81x = 122,831,896,773.17
  5. Step 5: Solve for x
    x = 122,831,896,773.17/404,052.81
  6. Step 6: Final answer
    x = 303,999.61

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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.