Home / 403,747.04-557,183.54-231,696.48

Finding the Fourth Proportional to 403,747.04, 557,183.54 and 231,696.48

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Solution

The fourth proportional to 403,747.04, 557,183.54 and 231,696.48 is: 319,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,747.04 : 557,183.54 = 231,696.48 : x
  2. Step 2: Convert to fraction form
    403,747.04/557,183.54 = 231,696.48/x
  3. Step 3: Cross multiply
    403,747.04x = 557,183.54 × 231,696.48
  4. Step 4: Simplify right side
    403,747.04x = 129,097,464,931.94
  5. Step 5: Solve for x
    x = 129,097,464,931.94/403,747.04
  6. Step 6: Final answer
    x = 319,748.39

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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.