Home / 827,166.10-1,241,915.55-512,238.10

Finding the Fourth Proportional to 827,166.10, 1,241,915.55 and 512,238.10

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Solution

The fourth proportional to 827,166.10, 1,241,915.55 and 512,238.10 is: 769,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,166.10 : 1,241,915.55 = 512,238.10 : x
  2. Step 2: Convert to fraction form
    827,166.10/1,241,915.55 = 512,238.10/x
  3. Step 3: Cross multiply
    827,166.10x = 1,241,915.55 × 512,238.10
  4. Step 4: Simplify right side
    827,166.10x = 636,156,461,692.46
  5. Step 5: Solve for x
    x = 636,156,461,692.46/827,166.10
  6. Step 6: Final answer
    x = 769,079.47

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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.