Home / 1,332,366.87-1,997,830.65-691,080.89

Finding the Fourth Proportional to 1,332,366.87, 1,997,830.65 and 691,080.89

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Solution

The fourth proportional to 1,332,366.87, 1,997,830.65 and 691,080.89 is: 1,036,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,366.87 : 1,997,830.65 = 691,080.89 : x
  2. Step 2: Convert to fraction form
    1,332,366.87/1,997,830.65 = 691,080.89/x
  3. Step 3: Cross multiply
    1,332,366.87x = 1,997,830.65 × 691,080.89
  4. Step 4: Simplify right side
    1,332,366.87x = 1,380,662,592,591.40
  5. Step 5: Solve for x
    x = 1,380,662,592,591.40/1,332,366.87
  6. Step 6: Final answer
    x = 1,036,248.06

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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.