Home / 1,179,824.37-1,768,121.87-891,398.86

Finding the Fourth Proportional to 1,179,824.37, 1,768,121.87 and 891,398.86

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Solution

The fourth proportional to 1,179,824.37, 1,768,121.87 and 891,398.86 is: 1,335,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,824.37 : 1,768,121.87 = 891,398.86 : x
  2. Step 2: Convert to fraction form
    1,179,824.37/1,768,121.87 = 891,398.86/x
  3. Step 3: Cross multiply
    1,179,824.37x = 1,768,121.87 × 891,398.86
  4. Step 4: Simplify right side
    1,179,824.37x = 1,576,101,810,381.77
  5. Step 5: Solve for x
    x = 1,576,101,810,381.77/1,179,824.37
  6. Step 6: Final answer
    x = 1,335,878.34

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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.