Home / 805,192.03-1,111,178.82-442,631.17

Finding the Fourth Proportional to 805,192.03, 1,111,178.82 and 442,631.17

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Solution

The fourth proportional to 805,192.03, 1,111,178.82 and 442,631.17 is: 610,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,192.03 : 1,111,178.82 = 442,631.17 : x
  2. Step 2: Convert to fraction form
    805,192.03/1,111,178.82 = 442,631.17/x
  3. Step 3: Cross multiply
    805,192.03x = 1,111,178.82 × 442,631.17
  4. Step 4: Simplify right side
    805,192.03x = 491,842,381,175.82
  5. Step 5: Solve for x
    x = 491,842,381,175.82/805,192.03
  6. Step 6: Final answer
    x = 610,838.61

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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.