Home / 376,432.12-561,940.45-322,543.82

Finding the Fourth Proportional to 376,432.12, 561,940.45 and 322,543.82

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Solution

The fourth proportional to 376,432.12, 561,940.45 and 322,543.82 is: 481,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,432.12 : 561,940.45 = 322,543.82 : x
  2. Step 2: Convert to fraction form
    376,432.12/561,940.45 = 322,543.82/x
  3. Step 3: Cross multiply
    376,432.12x = 561,940.45 × 322,543.82
  4. Step 4: Simplify right side
    376,432.12x = 181,250,419,355.52
  5. Step 5: Solve for x
    x = 181,250,419,355.52/376,432.12
  6. Step 6: Final answer
    x = 481,495.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.