Home / 403,546.88-556,898.25-222,265.08

Finding the Fourth Proportional to 403,546.88, 556,898.25 and 222,265.08

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Solution

The fourth proportional to 403,546.88, 556,898.25 and 222,265.08 is: 306,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,546.88 : 556,898.25 = 222,265.08 : x
  2. Step 2: Convert to fraction form
    403,546.88/556,898.25 = 222,265.08/x
  3. Step 3: Cross multiply
    403,546.88x = 556,898.25 × 222,265.08
  4. Step 4: Simplify right side
    403,546.88x = 123,779,034,088.11
  5. Step 5: Solve for x
    x = 123,779,034,088.11/403,546.88
  6. Step 6: Final answer
    x = 306,727.77

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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.