Home / 825,971.58-1,140,241.25-553,939.97

Finding the Fourth Proportional to 825,971.58, 1,140,241.25 and 553,939.97

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Solution

The fourth proportional to 825,971.58, 1,140,241.25 and 553,939.97 is: 764,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,971.58 : 1,140,241.25 = 553,939.97 : x
  2. Step 2: Convert to fraction form
    825,971.58/1,140,241.25 = 553,939.97/x
  3. Step 3: Cross multiply
    825,971.58x = 1,140,241.25 × 553,939.97
  4. Step 4: Simplify right side
    825,971.58x = 631,625,199,501.41
  5. Step 5: Solve for x
    x = 631,625,199,501.41/825,971.58
  6. Step 6: Final answer
    x = 764,705.73

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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.