Home / 805,051.17-1,110,881.39-482,774.85

Finding the Fourth Proportional to 805,051.17, 1,110,881.39 and 482,774.85

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Solution

The fourth proportional to 805,051.17, 1,110,881.39 and 482,774.85 is: 666,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,051.17 : 1,110,881.39 = 482,774.85 : x
  2. Step 2: Convert to fraction form
    805,051.17/1,110,881.39 = 482,774.85/x
  3. Step 3: Cross multiply
    805,051.17x = 1,110,881.39 × 482,774.85
  4. Step 4: Simplify right side
    805,051.17x = 536,305,594,011.17
  5. Step 5: Solve for x
    x = 536,305,594,011.17/805,051.17
  6. Step 6: Final answer
    x = 666,175.78

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1.5x scale

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.