Home / 403,317.55-556,558.23-222,045.36

Finding the Fourth Proportional to 403,317.55, 556,558.23 and 222,045.36

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Solution

The fourth proportional to 403,317.55, 556,558.23 and 222,045.36 is: 306,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,317.55 : 556,558.23 = 222,045.36 : x
  2. Step 2: Convert to fraction form
    403,317.55/556,558.23 = 222,045.36/x
  3. Step 3: Cross multiply
    403,317.55x = 556,558.23 × 222,045.36
  4. Step 4: Simplify right side
    403,317.55x = 123,581,172,541.31
  5. Step 5: Solve for x
    x = 123,581,172,541.31/403,317.55
  6. Step 6: Final answer
    x = 306,411.59

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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.