Home / 403,875.26-557,346.03-222,586.79

Finding the Fourth Proportional to 403,875.26, 557,346.03 and 222,586.79

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Solution

The fourth proportional to 403,875.26, 557,346.03 and 222,586.79 is: 307,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,875.26 : 557,346.03 = 222,586.79 : x
  2. Step 2: Convert to fraction form
    403,875.26/557,346.03 = 222,586.79/x
  3. Step 3: Cross multiply
    403,875.26x = 557,346.03 × 222,586.79
  4. Step 4: Simplify right side
    403,875.26x = 124,057,863,736.94
  5. Step 5: Solve for x
    x = 124,057,863,736.94/403,875.26
  6. Step 6: Final answer
    x = 307,168.76

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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.