Home / 1,603,657.89-2,212,208.96-991,614.96

Finding the Fourth Proportional to 1,603,657.89, 2,212,208.96 and 991,614.96

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Solution

The fourth proportional to 1,603,657.89, 2,212,208.96 and 991,614.96 is: 1,367,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,657.89 : 2,212,208.96 = 991,614.96 : x
  2. Step 2: Convert to fraction form
    1,603,657.89/2,212,208.96 = 991,614.96/x
  3. Step 3: Cross multiply
    1,603,657.89x = 2,212,208.96 × 991,614.96
  4. Step 4: Simplify right side
    1,603,657.89x = 2,193,659,494,423.97
  5. Step 5: Solve for x
    x = 2,193,659,494,423.97/1,603,657.89
  6. Step 6: Final answer
    x = 1,367,909.89

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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.