Home / 497,904.54-687,100.77-271,550.04

Finding the Fourth Proportional to 497,904.54, 687,100.77 and 271,550.04

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Solution

The fourth proportional to 497,904.54, 687,100.77 and 271,550.04 is: 374,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,904.54 : 687,100.77 = 271,550.04 : x
  2. Step 2: Convert to fraction form
    497,904.54/687,100.77 = 271,550.04/x
  3. Step 3: Cross multiply
    497,904.54x = 687,100.77 × 271,550.04
  4. Step 4: Simplify right side
    497,904.54x = 186,582,241,577.53
  5. Step 5: Solve for x
    x = 186,582,241,577.53/497,904.54
  6. Step 6: Final answer
    x = 374,734.97

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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.