Home / 497,949.44-687,166.92-283,089.56

Finding the Fourth Proportional to 497,949.44, 687,166.92 and 283,089.56

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Solution

The fourth proportional to 497,949.44, 687,166.92 and 283,089.56 is: 390,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,949.44 : 687,166.92 = 283,089.56 : x
  2. Step 2: Convert to fraction form
    497,949.44/687,166.92 = 283,089.56/x
  3. Step 3: Cross multiply
    497,949.44x = 687,166.92 × 283,089.56
  4. Step 4: Simplify right side
    497,949.44x = 194,529,781,029.36
  5. Step 5: Solve for x
    x = 194,529,781,029.36/497,949.44
  6. Step 6: Final answer
    x = 390,661.71

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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.