Home / 403,853.29-557,321.34-222,571.74

Finding the Fourth Proportional to 403,853.29, 557,321.34 and 222,571.74

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Solution

The fourth proportional to 403,853.29, 557,321.34 and 222,571.74 is: 307,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,853.29 : 557,321.34 = 222,571.74 : x
  2. Step 2: Convert to fraction form
    403,853.29/557,321.34 = 222,571.74/x
  3. Step 3: Cross multiply
    403,853.29x = 557,321.34 × 222,571.74
  4. Step 4: Simplify right side
    403,853.29x = 124,043,980,382.93
  5. Step 5: Solve for x
    x = 124,043,980,382.93/403,853.29
  6. Step 6: Final answer
    x = 307,151.10

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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.