Home / 627,323.76-940,986.41-171,918.77

Finding the Fourth Proportional to 627,323.76, 940,986.41 and 171,918.77

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Solution

The fourth proportional to 627,323.76, 940,986.41 and 171,918.77 is: 257,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,323.76 : 940,986.41 = 171,918.77 : x
  2. Step 2: Convert to fraction form
    627,323.76/940,986.41 = 171,918.77/x
  3. Step 3: Cross multiply
    627,323.76x = 940,986.41 × 171,918.77
  4. Step 4: Simplify right side
    627,323.76x = 161,773,220,629.39
  5. Step 5: Solve for x
    x = 161,773,220,629.39/627,323.76
  6. Step 6: Final answer
    x = 257,878.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.