Home / 1,786,364.53-2,465,102.70-1,011,979.56

Finding the Fourth Proportional to 1,786,364.53, 2,465,102.70 and 1,011,979.56

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Solution

The fourth proportional to 1,786,364.53, 2,465,102.70 and 1,011,979.56 is: 1,396,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,364.53 : 2,465,102.70 = 1,011,979.56 : x
  2. Step 2: Convert to fraction form
    1,786,364.53/2,465,102.70 = 1,011,979.56/x
  3. Step 3: Cross multiply
    1,786,364.53x = 2,465,102.70 × 1,011,979.56
  4. Step 4: Simplify right side
    1,786,364.53x = 2,494,633,556,620.02
  5. Step 5: Solve for x
    x = 2,494,633,556,620.02/1,786,364.53
  6. Step 6: Final answer
    x = 1,396,486.28

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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.