Home / 1,968,691.88-2,953,284.06-770,459.42

Finding the Fourth Proportional to 1,968,691.88, 2,953,284.06 and 770,459.42

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Solution

The fourth proportional to 1,968,691.88, 2,953,284.06 and 770,459.42 is: 1,155,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,691.88 : 2,953,284.06 = 770,459.42 : x
  2. Step 2: Convert to fraction form
    1,968,691.88/2,953,284.06 = 770,459.42/x
  3. Step 3: Cross multiply
    1,968,691.88x = 2,953,284.06 × 770,459.42
  4. Step 4: Simplify right side
    1,968,691.88x = 2,275,385,523,962.85
  5. Step 5: Solve for x
    x = 2,275,385,523,962.85/1,968,691.88
  6. Step 6: Final answer
    x = 1,155,785.50

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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.