Home / 403,613.87-556,984.52-222,321.59

Finding the Fourth Proportional to 403,613.87, 556,984.52 and 222,321.59

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Solution

The fourth proportional to 403,613.87, 556,984.52 and 222,321.59 is: 306,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,613.87 : 556,984.52 = 222,321.59 : x
  2. Step 2: Convert to fraction form
    403,613.87/556,984.52 = 222,321.59/x
  3. Step 3: Cross multiply
    403,613.87x = 556,984.52 × 222,321.59
  4. Step 4: Simplify right side
    403,613.87x = 123,829,680,195.26
  5. Step 5: Solve for x
    x = 123,829,680,195.26/403,613.87
  6. Step 6: Final answer
    x = 306,802.34

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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.