Home / 1,185,323.69-1,635,750.77-641,459.32

Finding the Fourth Proportional to 1,185,323.69, 1,635,750.77 and 641,459.32

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Solution

The fourth proportional to 1,185,323.69, 1,635,750.77 and 641,459.32 is: 885,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,323.69 : 1,635,750.77 = 641,459.32 : x
  2. Step 2: Convert to fraction form
    1,185,323.69/1,635,750.77 = 641,459.32/x
  3. Step 3: Cross multiply
    1,185,323.69x = 1,635,750.77 × 641,459.32
  4. Step 4: Simplify right side
    1,185,323.69x = 1,049,267,565,227.63
  5. Step 5: Solve for x
    x = 1,049,267,565,227.63/1,185,323.69
  6. Step 6: Final answer
    x = 885,216.06

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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.