Home / 1,185,429.96-1,635,895.32-641,566.32

Finding the Fourth Proportional to 1,185,429.96, 1,635,895.32 and 641,566.32

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Solution

The fourth proportional to 1,185,429.96, 1,635,895.32 and 641,566.32 is: 885,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,429.96 : 1,635,895.32 = 641,566.32 : x
  2. Step 2: Convert to fraction form
    1,185,429.96/1,635,895.32 = 641,566.32/x
  3. Step 3: Cross multiply
    1,185,429.96x = 1,635,895.32 × 641,566.32
  4. Step 4: Simplify right side
    1,185,429.96x = 1,049,535,340,357.62
  5. Step 5: Solve for x
    x = 1,049,535,340,357.62/1,185,429.96
  6. Step 6: Final answer
    x = 885,362.59

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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.