Home / 497,911.24-687,114.39-283,051.27

Finding the Fourth Proportional to 497,911.24, 687,114.39 and 283,051.27

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Solution

The fourth proportional to 497,911.24, 687,114.39 and 283,051.27 is: 390,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,911.24 : 687,114.39 = 283,051.27 : x
  2. Step 2: Convert to fraction form
    497,911.24/687,114.39 = 283,051.27/x
  3. Step 3: Cross multiply
    497,911.24x = 687,114.39 × 283,051.27
  4. Step 4: Simplify right side
    497,911.24x = 194,488,600,724.78
  5. Step 5: Solve for x
    x = 194,488,600,724.78/497,911.24
  6. Step 6: Final answer
    x = 390,608.98

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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.