Home / 497,845.16-687,025.36-271,490.66

Finding the Fourth Proportional to 497,845.16, 687,025.36 and 271,490.66

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Solution

The fourth proportional to 497,845.16, 687,025.36 and 271,490.66 is: 374,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,845.16 : 687,025.36 = 271,490.66 : x
  2. Step 2: Convert to fraction form
    497,845.16/687,025.36 = 271,490.66/x
  3. Step 3: Cross multiply
    497,845.16x = 687,025.36 × 271,490.66
  4. Step 4: Simplify right side
    497,845.16x = 186,520,968,423.14
  5. Step 5: Solve for x
    x = 186,520,968,423.14/497,845.16
  6. Step 6: Final answer
    x = 374,656.59

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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.