Home / 403,394.64-556,680.51-222,103.14

Finding the Fourth Proportional to 403,394.64, 556,680.51 and 222,103.14

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Solution

The fourth proportional to 403,394.64, 556,680.51 and 222,103.14 is: 306,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,394.64 : 556,680.51 = 222,103.14 : x
  2. Step 2: Convert to fraction form
    403,394.64/556,680.51 = 222,103.14/x
  3. Step 3: Cross multiply
    403,394.64x = 556,680.51 × 222,103.14
  4. Step 4: Simplify right side
    403,394.64x = 123,640,489,247.80
  5. Step 5: Solve for x
    x = 123,640,489,247.80/403,394.64
  6. Step 6: Final answer
    x = 306,500.08

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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.