Home / 372,995.10-558,836.55-306,072.90

Finding the Fourth Proportional to 372,995.10, 558,836.55 and 306,072.90

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Solution

The fourth proportional to 372,995.10, 558,836.55 and 306,072.90 is: 458,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,995.10 : 558,836.55 = 306,072.90 : x
  2. Step 2: Convert to fraction form
    372,995.10/558,836.55 = 306,072.90/x
  3. Step 3: Cross multiply
    372,995.10x = 558,836.55 × 306,072.90
  4. Step 4: Simplify right side
    372,995.10x = 171,044,723,484.50
  5. Step 5: Solve for x
    x = 171,044,723,484.50/372,995.10
  6. Step 6: Final answer
    x = 458,570.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.