Home / 374,717.66-517,091.36-231,490.22

Finding the Fourth Proportional to 374,717.66, 517,091.36 and 231,490.22

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Solution

The fourth proportional to 374,717.66, 517,091.36 and 231,490.22 is: 319,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,717.66 : 517,091.36 = 231,490.22 : x
  2. Step 2: Convert to fraction form
    374,717.66/517,091.36 = 231,490.22/x
  3. Step 3: Cross multiply
    374,717.66x = 517,091.36 × 231,490.22
  4. Step 4: Simplify right side
    374,717.66x = 119,701,588,943.59
  5. Step 5: Solve for x
    x = 119,701,588,943.59/374,717.66
  6. Step 6: Final answer
    x = 319,444.75

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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.