Home / 412,285.69-568,702.77-272,583.79

Finding the Fourth Proportional to 412,285.69, 568,702.77 and 272,583.79

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Solution

The fourth proportional to 412,285.69, 568,702.77 and 272,583.79 is: 375,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,285.69 : 568,702.77 = 272,583.79 : x
  2. Step 2: Convert to fraction form
    412,285.69/568,702.77 = 272,583.79/x
  3. Step 3: Cross multiply
    412,285.69x = 568,702.77 × 272,583.79
  4. Step 4: Simplify right side
    412,285.69x = 155,019,156,430.10
  5. Step 5: Solve for x
    x = 155,019,156,430.10/412,285.69
  6. Step 6: Final answer
    x = 375,999.36

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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.