Home / 715,871.52-1,073,813.74-217,235.52

Finding the Fourth Proportional to 715,871.52, 1,073,813.74 and 217,235.52

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Solution

The fourth proportional to 715,871.52, 1,073,813.74 and 217,235.52 is: 325,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,871.52 : 1,073,813.74 = 217,235.52 : x
  2. Step 2: Convert to fraction form
    715,871.52/1,073,813.74 = 217,235.52/x
  3. Step 3: Cross multiply
    715,871.52x = 1,073,813.74 × 217,235.52
  4. Step 4: Simplify right side
    715,871.52x = 233,270,486,192.05
  5. Step 5: Solve for x
    x = 233,270,486,192.05/715,871.52
  6. Step 6: Final answer
    x = 325,855.24

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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.