Home / 384,320.17-576,830.08-204,556.51

Finding the Fourth Proportional to 384,320.17, 576,830.08 and 204,556.51

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Solution

The fourth proportional to 384,320.17, 576,830.08 and 204,556.51 is: 307,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,320.17 : 576,830.08 = 204,556.51 : x
  2. Step 2: Convert to fraction form
    384,320.17/576,830.08 = 204,556.51/x
  3. Step 3: Cross multiply
    384,320.17x = 576,830.08 × 204,556.51
  4. Step 4: Simplify right side
    384,320.17x = 117,994,348,027.82
  5. Step 5: Solve for x
    x = 117,994,348,027.82/384,320.17
  6. Step 6: Final answer
    x = 307,020.96

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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.