Home / 403,336.55-556,601.46-222,051.66

Finding the Fourth Proportional to 403,336.55, 556,601.46 and 222,051.66

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Solution

The fourth proportional to 403,336.55, 556,601.46 and 222,051.66 is: 306,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,336.55 : 556,601.46 = 222,051.66 : x
  2. Step 2: Convert to fraction form
    403,336.55/556,601.46 = 222,051.66/x
  3. Step 3: Cross multiply
    403,336.55x = 556,601.46 × 222,051.66
  4. Step 4: Simplify right side
    403,336.55x = 123,594,278,151.42
  5. Step 5: Solve for x
    x = 123,594,278,151.42/403,336.55
  6. Step 6: Final answer
    x = 306,429.65

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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.