Home / 374,840.88-517,505.40-231,792.72

Finding the Fourth Proportional to 374,840.88, 517,505.40 and 231,792.72

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Solution

The fourth proportional to 374,840.88, 517,505.40 and 231,792.72 is: 320,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,840.88 : 517,505.40 = 231,792.72 : x
  2. Step 2: Convert to fraction form
    374,840.88/517,505.40 = 231,792.72/x
  3. Step 3: Cross multiply
    374,840.88x = 517,505.40 × 231,792.72
  4. Step 4: Simplify right side
    374,840.88x = 119,953,984,280.69
  5. Step 5: Solve for x
    x = 119,953,984,280.69/374,840.88
  6. Step 6: Final answer
    x = 320,013.08

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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.