Home / 403,363.80-556,637.40-222,071.90

Finding the Fourth Proportional to 403,363.80, 556,637.40 and 222,071.90

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Solution

The fourth proportional to 403,363.80, 556,637.40 and 222,071.90 is: 306,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,363.80 : 556,637.40 = 222,071.90 : x
  2. Step 2: Convert to fraction form
    403,363.80/556,637.40 = 222,071.90/x
  3. Step 3: Cross multiply
    403,363.80x = 556,637.40 × 222,071.90
  4. Step 4: Simplify right side
    403,363.80x = 123,613,522,245.87
  5. Step 5: Solve for x
    x = 123,613,522,245.87/403,363.80
  6. Step 6: Final answer
    x = 306,456.66

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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.