Home / 805,165.04-1,111,375.32-518,684.24

Finding the Fourth Proportional to 805,165.04, 1,111,375.32 and 518,684.24

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Solution

The fourth proportional to 805,165.04, 1,111,375.32 and 518,684.24 is: 715,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,165.04 : 1,111,375.32 = 518,684.24 : x
  2. Step 2: Convert to fraction form
    805,165.04/1,111,375.32 = 518,684.24/x
  3. Step 3: Cross multiply
    805,165.04x = 1,111,375.32 × 518,684.24
  4. Step 4: Simplify right side
    805,165.04x = 576,452,863,208.96
  5. Step 5: Solve for x
    x = 576,452,863,208.96/805,165.04
  6. Step 6: Final answer
    x = 715,943.73

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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.