Home / 1,188,849.06-1,640,611.44-679,562.40

Finding the Fourth Proportional to 1,188,849.06, 1,640,611.44 and 679,562.40

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Solution

The fourth proportional to 1,188,849.06, 1,640,611.44 and 679,562.40 is: 937,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,849.06 : 1,640,611.44 = 679,562.40 : x
  2. Step 2: Convert to fraction form
    1,188,849.06/1,640,611.44 = 679,562.40/x
  3. Step 3: Cross multiply
    1,188,849.06x = 1,640,611.44 × 679,562.40
  4. Step 4: Simplify right side
    1,188,849.06x = 1,114,897,847,633.86
  5. Step 5: Solve for x
    x = 1,114,897,847,633.86/1,188,849.06
  6. Step 6: Final answer
    x = 937,795.96

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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.