Home / 1,185,315.24-1,635,734.95-641,451.04

Finding the Fourth Proportional to 1,185,315.24, 1,635,734.95 and 641,451.04

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Solution

The fourth proportional to 1,185,315.24, 1,635,734.95 and 641,451.04 is: 885,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,315.24 : 1,635,734.95 = 641,451.04 : x
  2. Step 2: Convert to fraction form
    1,185,315.24/1,635,734.95 = 641,451.04/x
  3. Step 3: Cross multiply
    1,185,315.24x = 1,635,734.95 × 641,451.04
  4. Step 4: Simplify right side
    1,185,315.24x = 1,049,243,884,841.85
  5. Step 5: Solve for x
    x = 1,049,243,884,841.85/1,185,315.24
  6. Step 6: Final answer
    x = 885,202.39

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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.