Home / 403,353.05-556,606.06-222,029.55

Finding the Fourth Proportional to 403,353.05, 556,606.06 and 222,029.55

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Solution

The fourth proportional to 403,353.05, 556,606.06 and 222,029.55 is: 306,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,353.05 : 556,606.06 = 222,029.55 : x
  2. Step 2: Convert to fraction form
    403,353.05/556,606.06 = 222,029.55/x
  3. Step 3: Cross multiply
    403,353.05x = 556,606.06 × 222,029.55
  4. Step 4: Simplify right side
    403,353.05x = 123,582,992,474.00
  5. Step 5: Solve for x
    x = 123,582,992,474.00/403,353.05
  6. Step 6: Final answer
    x = 306,389.14

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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.