Home / 1,505,778.04-2,077,947.84-826,709.68

Finding the Fourth Proportional to 1,505,778.04, 2,077,947.84 and 826,709.68

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Solution

The fourth proportional to 1,505,778.04, 2,077,947.84 and 826,709.68 is: 1,140,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,778.04 : 2,077,947.84 = 826,709.68 : x
  2. Step 2: Convert to fraction form
    1,505,778.04/2,077,947.84 = 826,709.68/x
  3. Step 3: Cross multiply
    1,505,778.04x = 2,077,947.84 × 826,709.68
  4. Step 4: Simplify right side
    1,505,778.04x = 1,717,859,593,863.09
  5. Step 5: Solve for x
    x = 1,717,859,593,863.09/1,505,778.04
  6. Step 6: Final answer
    x = 1,140,845.16

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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.