Home / 403,549.35-556,891.23-222,278.25

Finding the Fourth Proportional to 403,549.35, 556,891.23 and 222,278.25

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Solution

The fourth proportional to 403,549.35, 556,891.23 and 222,278.25 is: 306,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,549.35 : 556,891.23 = 222,278.25 : x
  2. Step 2: Convert to fraction form
    403,549.35/556,891.23 = 222,278.25/x
  3. Step 3: Cross multiply
    403,549.35x = 556,891.23 × 222,278.25
  4. Step 4: Simplify right side
    403,549.35x = 123,784,808,044.75
  5. Step 5: Solve for x
    x = 123,784,808,044.75/403,549.35
  6. Step 6: Final answer
    x = 306,740.20

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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.