Home / 403,507.74-556,833.95-222,236.54

Finding the Fourth Proportional to 403,507.74, 556,833.95 and 222,236.54

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Solution

The fourth proportional to 403,507.74, 556,833.95 and 222,236.54 is: 306,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,507.74 : 556,833.95 = 222,236.54 : x
  2. Step 2: Convert to fraction form
    403,507.74/556,833.95 = 222,236.54/x
  3. Step 3: Cross multiply
    403,507.74x = 556,833.95 × 222,236.54
  4. Step 4: Simplify right side
    403,507.74x = 123,748,847,939.85
  5. Step 5: Solve for x
    x = 123,748,847,939.85/403,507.74
  6. Step 6: Final answer
    x = 306,682.71

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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.