Home / 403,585.34-556,948.41-222,297.77

Finding the Fourth Proportional to 403,585.34, 556,948.41 and 222,297.77

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Solution

The fourth proportional to 403,585.34, 556,948.41 and 222,297.77 is: 306,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,585.34 : 556,948.41 = 222,297.77 : x
  2. Step 2: Convert to fraction form
    403,585.34/556,948.41 = 222,297.77/x
  3. Step 3: Cross multiply
    403,585.34x = 556,948.41 × 222,297.77
  4. Step 4: Simplify right side
    403,585.34x = 123,808,386,973.97
  5. Step 5: Solve for x
    x = 123,808,386,973.97/403,585.34
  6. Step 6: Final answer
    x = 306,771.27

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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.