Home / 1,313,015.70-1,969,523.55-1,103,063.70

Finding the Fourth Proportional to 1,313,015.70, 1,969,523.55 and 1,103,063.70

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Solution

The fourth proportional to 1,313,015.70, 1,969,523.55 and 1,103,063.70 is: 1,654,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,015.70 : 1,969,523.55 = 1,103,063.70 : x
  2. Step 2: Convert to fraction form
    1,313,015.70/1,969,523.55 = 1,103,063.70/x
  3. Step 3: Cross multiply
    1,313,015.70x = 1,969,523.55 × 1,103,063.70
  4. Step 4: Simplify right side
    1,313,015.70x = 2,172,509,934,300.14
  5. Step 5: Solve for x
    x = 2,172,509,934,300.14/1,313,015.70
  6. Step 6: Final answer
    x = 1,654,595.55

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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.