Home / 566,778.03-782,138.46-308,649.83

Finding the Fourth Proportional to 566,778.03, 782,138.46 and 308,649.83

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Solution

The fourth proportional to 566,778.03, 782,138.46 and 308,649.83 is: 425,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,778.03 : 782,138.46 = 308,649.83 : x
  2. Step 2: Convert to fraction form
    566,778.03/782,138.46 = 308,649.83/x
  3. Step 3: Cross multiply
    566,778.03x = 782,138.46 × 308,649.83
  4. Step 4: Simplify right side
    566,778.03x = 241,406,899,962.21
  5. Step 5: Solve for x
    x = 241,406,899,962.21/566,778.03
  6. Step 6: Final answer
    x = 425,928.47

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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.