Home / 403,750.37-557,188.13-231,699.83

Finding the Fourth Proportional to 403,750.37, 557,188.13 and 231,699.83

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Solution

The fourth proportional to 403,750.37, 557,188.13 and 231,699.83 is: 319,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,750.37 : 557,188.13 = 231,699.83 : x
  2. Step 2: Convert to fraction form
    403,750.37/557,188.13 = 231,699.83/x
  3. Step 3: Cross multiply
    403,750.37x = 557,188.13 × 231,699.83
  4. Step 4: Simplify right side
    403,750.37x = 129,100,392,792.33
  5. Step 5: Solve for x
    x = 129,100,392,792.33/403,750.37
  6. Step 6: Final answer
    x = 319,753.00

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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.