Home / 681,992.48-941,153.68-395,683.04

Finding the Fourth Proportional to 681,992.48, 941,153.68 and 395,683.04

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Solution

The fourth proportional to 681,992.48, 941,153.68 and 395,683.04 is: 546,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,992.48 : 941,153.68 = 395,683.04 : x
  2. Step 2: Convert to fraction form
    681,992.48/941,153.68 = 395,683.04/x
  3. Step 3: Cross multiply
    681,992.48x = 941,153.68 × 395,683.04
  4. Step 4: Simplify right side
    681,992.48x = 372,398,549,209.59
  5. Step 5: Solve for x
    x = 372,398,549,209.59/681,992.48
  6. Step 6: Final answer
    x = 546,044.95

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1.5x scale

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.