Home / 682,513.04-942,169.96-440,913.36

Finding the Fourth Proportional to 682,513.04, 942,169.96 and 440,913.36

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Solution

The fourth proportional to 682,513.04, 942,169.96 and 440,913.36 is: 608,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,513.04 : 942,169.96 = 440,913.36 : x
  2. Step 2: Convert to fraction form
    682,513.04/942,169.96 = 440,913.36/x
  3. Step 3: Cross multiply
    682,513.04x = 942,169.96 × 440,913.36
  4. Step 4: Simplify right side
    682,513.04x = 415,415,322,754.67
  5. Step 5: Solve for x
    x = 415,415,322,754.67/682,513.04
  6. Step 6: Final answer
    x = 608,655.51

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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.