Home / 876,174.84-1,209,177.70-494,193.42

Finding the Fourth Proportional to 876,174.84, 1,209,177.70 and 494,193.42

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Solution

The fourth proportional to 876,174.84, 1,209,177.70 and 494,193.42 is: 682,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,174.84 : 1,209,177.70 = 494,193.42 : x
  2. Step 2: Convert to fraction form
    876,174.84/1,209,177.70 = 494,193.42/x
  3. Step 3: Cross multiply
    876,174.84x = 1,209,177.70 × 494,193.42
  4. Step 4: Simplify right side
    876,174.84x = 597,567,662,950.73
  5. Step 5: Solve for x
    x = 597,567,662,950.73/876,174.84
  6. Step 6: Final answer
    x = 682,018.74

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1.5x scale

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.