Home / 403,812.33-557,259.86-222,524.21

Finding the Fourth Proportional to 403,812.33, 557,259.86 and 222,524.21

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Solution

The fourth proportional to 403,812.33, 557,259.86 and 222,524.21 is: 307,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,812.33 : 557,259.86 = 222,524.21 : x
  2. Step 2: Convert to fraction form
    403,812.33/557,259.86 = 222,524.21/x
  3. Step 3: Cross multiply
    403,812.33x = 557,259.86 × 222,524.21
  4. Step 4: Simplify right side
    403,812.33x = 124,003,810,111.21
  5. Step 5: Solve for x
    x = 124,003,810,111.21/403,812.33
  6. Step 6: Final answer
    x = 307,082.77

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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.