Home / 403,848.66-557,314.96-222,567.12

Finding the Fourth Proportional to 403,848.66, 557,314.96 and 222,567.12

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Solution

The fourth proportional to 403,848.66, 557,314.96 and 222,567.12 is: 307,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,848.66 : 557,314.96 = 222,567.12 : x
  2. Step 2: Convert to fraction form
    403,848.66/557,314.96 = 222,567.12/x
  3. Step 3: Cross multiply
    403,848.66x = 557,314.96 × 222,567.12
  4. Step 4: Simplify right side
    403,848.66x = 124,039,985,580.12
  5. Step 5: Solve for x
    x = 124,039,985,580.12/403,848.66
  6. Step 6: Final answer
    x = 307,144.72

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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.