Home / 691,713.20-1,037,569.80-551,745.20

Finding the Fourth Proportional to 691,713.20, 1,037,569.80 and 551,745.20

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Solution

The fourth proportional to 691,713.20, 1,037,569.80 and 551,745.20 is: 827,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,713.20 : 1,037,569.80 = 551,745.20 : x
  2. Step 2: Convert to fraction form
    691,713.20/1,037,569.80 = 551,745.20/x
  3. Step 3: Cross multiply
    691,713.20x = 1,037,569.80 × 551,745.20
  4. Step 4: Simplify right side
    691,713.20x = 572,474,156,814.96
  5. Step 5: Solve for x
    x = 572,474,156,814.96/691,713.20
  6. Step 6: Final answer
    x = 827,617.80

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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.