Home / 403,574.58-556,936.68-222,287.17

Finding the Fourth Proportional to 403,574.58, 556,936.68 and 222,287.17

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Solution

The fourth proportional to 403,574.58, 556,936.68 and 222,287.17 is: 306,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,574.58 : 556,936.68 = 222,287.17 : x
  2. Step 2: Convert to fraction form
    403,574.58/556,936.68 = 222,287.17/x
  3. Step 3: Cross multiply
    403,574.58x = 556,936.68 × 222,287.17
  4. Step 4: Simplify right side
    403,574.58x = 123,799,878,466.40
  5. Step 5: Solve for x
    x = 123,799,878,466.40/403,574.58
  6. Step 6: Final answer
    x = 306,758.37

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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.