Home / 497,914.14-687,118.32-283,054.20

Finding the Fourth Proportional to 497,914.14, 687,118.32 and 283,054.20

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Solution

The fourth proportional to 497,914.14, 687,118.32 and 283,054.20 is: 390,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,914.14 : 687,118.32 = 283,054.20 : x
  2. Step 2: Convert to fraction form
    497,914.14/687,118.32 = 283,054.20/x
  3. Step 3: Cross multiply
    497,914.14x = 687,118.32 × 283,054.20
  4. Step 4: Simplify right side
    497,914.14x = 194,491,726,372.94
  5. Step 5: Solve for x
    x = 194,491,726,372.94/497,914.14
  6. Step 6: Final answer
    x = 390,612.98

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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.