Home / 1,775,315.60-2,659,911.60-826,740.80

Finding the Fourth Proportional to 1,775,315.60, 2,659,911.60 and 826,740.80

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Solution

The fourth proportional to 1,775,315.60, 2,659,911.60 and 826,740.80 is: 1,238,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,315.60 : 2,659,911.60 = 826,740.80 : x
  2. Step 2: Convert to fraction form
    1,775,315.60/2,659,911.60 = 826,740.80/x
  3. Step 3: Cross multiply
    1,775,315.60x = 2,659,911.60 × 826,740.80
  4. Step 4: Simplify right side
    1,775,315.60x = 2,199,057,444,113.28
  5. Step 5: Solve for x
    x = 2,199,057,444,113.28/1,775,315.60
  6. Step 6: Final answer
    x = 1,238,685.36

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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.