Home / 715,157.30-1,072,734.89-182,678.47

Finding the Fourth Proportional to 715,157.30, 1,072,734.89 and 182,678.47

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Solution

The fourth proportional to 715,157.30, 1,072,734.89 and 182,678.47 is: 274,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,157.30 : 1,072,734.89 = 182,678.47 : x
  2. Step 2: Convert to fraction form
    715,157.30/1,072,734.89 = 182,678.47/x
  3. Step 3: Cross multiply
    715,157.30x = 1,072,734.89 × 182,678.47
  4. Step 4: Simplify right side
    715,157.30x = 195,965,568,420.82
  5. Step 5: Solve for x
    x = 195,965,568,420.82/715,157.30
  6. Step 6: Final answer
    x = 274,017.43

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1.5x scale

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.