Home / 1,185,203.93-1,635,570.02-641,327.81

Finding the Fourth Proportional to 1,185,203.93, 1,635,570.02 and 641,327.81

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Solution

The fourth proportional to 1,185,203.93, 1,635,570.02 and 641,327.81 is: 885,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,203.93 : 1,635,570.02 = 641,327.81 : x
  2. Step 2: Convert to fraction form
    1,185,203.93/1,635,570.02 = 641,327.81/x
  3. Step 3: Cross multiply
    1,185,203.93x = 1,635,570.02 × 641,327.81
  4. Step 4: Simplify right side
    1,185,203.93x = 1,048,936,532,453.73
  5. Step 5: Solve for x
    x = 1,048,936,532,453.73/1,185,203.93
  6. Step 6: Final answer
    x = 885,026.21

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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.