Home / 1,115,192.64-1,673,630.19-516,573.78

Finding the Fourth Proportional to 1,115,192.64, 1,673,630.19 and 516,573.78

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Solution

The fourth proportional to 1,115,192.64, 1,673,630.19 and 516,573.78 is: 775,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,192.64 : 1,673,630.19 = 516,573.78 : x
  2. Step 2: Convert to fraction form
    1,115,192.64/1,673,630.19 = 516,573.78/x
  3. Step 3: Cross multiply
    1,115,192.64x = 1,673,630.19 × 516,573.78
  4. Step 4: Simplify right side
    1,115,192.64x = 864,553,473,570.42
  5. Step 5: Solve for x
    x = 864,553,473,570.42/1,115,192.64
  6. Step 6: Final answer
    x = 775,250.34

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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.