Home / 805,163.04-1,111,372.56-518,682.24

Finding the Fourth Proportional to 805,163.04, 1,111,372.56 and 518,682.24

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Solution

The fourth proportional to 805,163.04, 1,111,372.56 and 518,682.24 is: 715,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,163.04 : 1,111,372.56 = 518,682.24 : x
  2. Step 2: Convert to fraction form
    805,163.04/1,111,372.56 = 518,682.24/x
  3. Step 3: Cross multiply
    805,163.04x = 1,111,372.56 × 518,682.24
  4. Step 4: Simplify right side
    805,163.04x = 576,449,208,895.34
  5. Step 5: Solve for x
    x = 576,449,208,895.34/805,163.04
  6. Step 6: Final answer
    x = 715,940.97

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Double scale
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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.