Home / 1,188,835.14-1,640,592.30-679,548.46

Finding the Fourth Proportional to 1,188,835.14, 1,640,592.30 and 679,548.46

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Solution

The fourth proportional to 1,188,835.14, 1,640,592.30 and 679,548.46 is: 937,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,835.14 : 1,640,592.30 = 679,548.46 : x
  2. Step 2: Convert to fraction form
    1,188,835.14/1,640,592.30 = 679,548.46/x
  3. Step 3: Cross multiply
    1,188,835.14x = 1,640,592.30 × 679,548.46
  4. Step 4: Simplify right side
    1,188,835.14x = 1,114,861,970,952.86
  5. Step 5: Solve for x
    x = 1,114,861,970,952.86/1,188,835.14
  6. Step 6: Final answer
    x = 937,776.76

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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.