Home / 497,905.54-687,102.15-271,551.04

Finding the Fourth Proportional to 497,905.54, 687,102.15 and 271,551.04

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Solution

The fourth proportional to 497,905.54, 687,102.15 and 271,551.04 is: 374,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,905.54 : 687,102.15 = 271,551.04 : x
  2. Step 2: Convert to fraction form
    497,905.54/687,102.15 = 271,551.04/x
  3. Step 3: Cross multiply
    497,905.54x = 687,102.15 × 271,551.04
  4. Step 4: Simplify right side
    497,905.54x = 186,583,303,418.74
  5. Step 5: Solve for x
    x = 186,583,303,418.74/497,905.54
  6. Step 6: Final answer
    x = 374,736.35

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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.