Home / 497,029.90-744,961.65-212,719.90

Finding the Fourth Proportional to 497,029.90, 744,961.65 and 212,719.90

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Solution

The fourth proportional to 497,029.90, 744,961.65 and 212,719.90 is: 318,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,029.90 : 744,961.65 = 212,719.90 : x
  2. Step 2: Convert to fraction form
    497,029.90/744,961.65 = 212,719.90/x
  3. Step 3: Cross multiply
    497,029.90x = 744,961.65 × 212,719.90
  4. Step 4: Simplify right side
    497,029.90x = 158,468,167,691.84
  5. Step 5: Solve for x
    x = 158,468,167,691.84/497,029.90
  6. Step 6: Final answer
    x = 318,830.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.