Home / 403,846.66-557,312.20-222,565.12

Finding the Fourth Proportional to 403,846.66, 557,312.20 and 222,565.12

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Solution

The fourth proportional to 403,846.66, 557,312.20 and 222,565.12 is: 307,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,846.66 : 557,312.20 = 222,565.12 : x
  2. Step 2: Convert to fraction form
    403,846.66/557,312.20 = 222,565.12/x
  3. Step 3: Cross multiply
    403,846.66x = 557,312.20 × 222,565.12
  4. Step 4: Simplify right side
    403,846.66x = 124,038,254,720.77
  5. Step 5: Solve for x
    x = 124,038,254,720.77/403,846.66
  6. Step 6: Final answer
    x = 307,141.96

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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.