Home / 403,316.55-556,556.85-222,044.36

Finding the Fourth Proportional to 403,316.55, 556,556.85 and 222,044.36

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Solution

The fourth proportional to 403,316.55, 556,556.85 and 222,044.36 is: 306,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,316.55 : 556,556.85 = 222,044.36 : x
  2. Step 2: Convert to fraction form
    403,316.55/556,556.85 = 222,044.36/x
  3. Step 3: Cross multiply
    403,316.55x = 556,556.85 × 222,044.36
  4. Step 4: Simplify right side
    403,316.55x = 123,580,306,779.08
  5. Step 5: Solve for x
    x = 123,580,306,779.08/403,316.55
  6. Step 6: Final answer
    x = 306,410.21

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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.