Home / 1,185,230.64-1,635,605.82-641,354.52

Finding the Fourth Proportional to 1,185,230.64, 1,635,605.82 and 641,354.52

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Solution

The fourth proportional to 1,185,230.64, 1,635,605.82 and 641,354.52 is: 885,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,230.64 : 1,635,605.82 = 641,354.52 : x
  2. Step 2: Convert to fraction form
    1,185,230.64/1,635,605.82 = 641,354.52/x
  3. Step 3: Cross multiply
    1,185,230.64x = 1,635,605.82 × 641,354.52
  4. Step 4: Simplify right side
    1,185,230.64x = 1,049,003,185,595.31
  5. Step 5: Solve for x
    x = 1,049,003,185,595.31/1,185,230.64
  6. Step 6: Final answer
    x = 885,062.49

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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.