Home / 672,197.76-927,577.44-417,499.20

Finding the Fourth Proportional to 672,197.76, 927,577.44 and 417,499.20

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Solution

The fourth proportional to 672,197.76, 927,577.44 and 417,499.20 is: 576,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,197.76 : 927,577.44 = 417,499.20 : x
  2. Step 2: Convert to fraction form
    672,197.76/927,577.44 = 417,499.20/x
  3. Step 3: Cross multiply
    672,197.76x = 927,577.44 × 417,499.20
  4. Step 4: Simplify right side
    672,197.76x = 387,262,839,138.05
  5. Step 5: Solve for x
    x = 387,262,839,138.05/672,197.76
  6. Step 6: Final answer
    x = 576,114.44

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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.