Home / 403,544.64-556,869.74-222,221.12

Finding the Fourth Proportional to 403,544.64, 556,869.74 and 222,221.12

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Solution

The fourth proportional to 403,544.64, 556,869.74 and 222,221.12 is: 306,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,544.64 : 556,869.74 = 222,221.12 : x
  2. Step 2: Convert to fraction form
    403,544.64/556,869.74 = 222,221.12/x
  3. Step 3: Cross multiply
    403,544.64x = 556,869.74 × 222,221.12
  4. Step 4: Simplify right side
    403,544.64x = 123,748,217,316.91
  5. Step 5: Solve for x
    x = 123,748,217,316.91/403,544.64
  6. Step 6: Final answer
    x = 306,653.11

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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.