Home / 1,288,307.22-1,923,785.27-1,052,118.42

Finding the Fourth Proportional to 1,288,307.22, 1,923,785.27 and 1,052,118.42

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Solution

The fourth proportional to 1,288,307.22, 1,923,785.27 and 1,052,118.42 is: 1,571,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,307.22 : 1,923,785.27 = 1,052,118.42 : x
  2. Step 2: Convert to fraction form
    1,288,307.22/1,923,785.27 = 1,052,118.42/x
  3. Step 3: Cross multiply
    1,288,307.22x = 1,923,785.27 × 1,052,118.42
  4. Step 4: Simplify right side
    1,288,307.22x = 2,024,049,913,431.08
  5. Step 5: Solve for x
    x = 2,024,049,913,431.08/1,288,307.22
  6. Step 6: Final answer
    x = 1,571,092.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.