Home / 1,535,824.47-2,119,859.31-891,452.27

Finding the Fourth Proportional to 1,535,824.47, 2,119,859.31 and 891,452.27

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Solution

The fourth proportional to 1,535,824.47, 2,119,859.31 and 891,452.27 is: 1,230,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,824.47 : 2,119,859.31 = 891,452.27 : x
  2. Step 2: Convert to fraction form
    1,535,824.47/2,119,859.31 = 891,452.27/x
  3. Step 3: Cross multiply
    1,535,824.47x = 2,119,859.31 × 891,452.27
  4. Step 4: Simplify right side
    1,535,824.47x = 1,889,753,383,380.84
  5. Step 5: Solve for x
    x = 1,889,753,383,380.84/1,535,824.47
  6. Step 6: Final answer
    x = 1,230,448.80

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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.