Home / 403,531.66-556,898.86-222,243.54

Finding the Fourth Proportional to 403,531.66, 556,898.86 and 222,243.54

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Solution

The fourth proportional to 403,531.66, 556,898.86 and 222,243.54 is: 306,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,531.66 : 556,898.86 = 222,243.54 : x
  2. Step 2: Convert to fraction form
    403,531.66/556,898.86 = 222,243.54/x
  3. Step 3: Cross multiply
    403,531.66x = 556,898.86 × 222,243.54
  4. Step 4: Simplify right side
    403,531.66x = 123,767,171,283.87
  5. Step 5: Solve for x
    x = 123,767,171,283.87/403,531.66
  6. Step 6: Final answer
    x = 306,709.94

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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.