Home / 674,102.16-1,011,142.98-200,787.54

Finding the Fourth Proportional to 674,102.16, 1,011,142.98 and 200,787.54

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Solution

The fourth proportional to 674,102.16, 1,011,142.98 and 200,787.54 is: 301,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,102.16 : 1,011,142.98 = 200,787.54 : x
  2. Step 2: Convert to fraction form
    674,102.16/1,011,142.98 = 200,787.54/x
  3. Step 3: Cross multiply
    674,102.16x = 1,011,142.98 × 200,787.54
  4. Step 4: Simplify right side
    674,102.16x = 203,024,911,542.47
  5. Step 5: Solve for x
    x = 203,024,911,542.47/674,102.16
  6. Step 6: Final answer
    x = 301,178.25

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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.