Home / 531,147.12-796,718.52-215,601.36

Finding the Fourth Proportional to 531,147.12, 796,718.52 and 215,601.36

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Solution

The fourth proportional to 531,147.12, 796,718.52 and 215,601.36 is: 323,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,147.12 : 796,718.52 = 215,601.36 : x
  2. Step 2: Convert to fraction form
    531,147.12/796,718.52 = 215,601.36/x
  3. Step 3: Cross multiply
    531,147.12x = 796,718.52 × 215,601.36
  4. Step 4: Simplify right side
    531,147.12x = 171,773,596,449.19
  5. Step 5: Solve for x
    x = 171,773,596,449.19/531,147.12
  6. Step 6: Final answer
    x = 323,401.16

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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.