Home / 403,119.79-604,767.17-122,629.75

Finding the Fourth Proportional to 403,119.79, 604,767.17 and 122,629.75

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Solution

The fourth proportional to 403,119.79, 604,767.17 and 122,629.75 is: 183,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,119.79 : 604,767.17 = 122,629.75 : x
  2. Step 2: Convert to fraction form
    403,119.79/604,767.17 = 122,629.75/x
  3. Step 3: Cross multiply
    403,119.79x = 604,767.17 × 122,629.75
  4. Step 4: Simplify right side
    403,119.79x = 74,162,446,865.31
  5. Step 5: Solve for x
    x = 74,162,446,865.31/403,119.79
  6. Step 6: Final answer
    x = 183,971.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.