Home / 403,683.06-557,108.18-222,395.34

Finding the Fourth Proportional to 403,683.06, 557,108.18 and 222,395.34

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Solution

The fourth proportional to 403,683.06, 557,108.18 and 222,395.34 is: 306,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,683.06 : 557,108.18 = 222,395.34 : x
  2. Step 2: Convert to fraction form
    403,683.06/557,108.18 = 222,395.34/x
  3. Step 3: Cross multiply
    403,683.06x = 557,108.18 × 222,395.34
  4. Step 4: Simplify right side
    403,683.06x = 123,898,263,107.88
  5. Step 5: Solve for x
    x = 123,898,263,107.88/403,683.06
  6. Step 6: Final answer
    x = 306,919.65

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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.