Home / 403,886.22-557,360.68-222,598.30

Finding the Fourth Proportional to 403,886.22, 557,360.68 and 222,598.30

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Solution

The fourth proportional to 403,886.22, 557,360.68 and 222,598.30 is: 307,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,886.22 : 557,360.68 = 222,598.30 : x
  2. Step 2: Convert to fraction form
    403,886.22/557,360.68 = 222,598.30/x
  3. Step 3: Cross multiply
    403,886.22x = 557,360.68 × 222,598.30
  4. Step 4: Simplify right side
    403,886.22x = 124,067,539,854.84
  5. Step 5: Solve for x
    x = 124,067,539,854.84/403,886.22
  6. Step 6: Final answer
    x = 307,184.38

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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.