Home / 783,850.21-1,081,748.87-461,573.89

Finding the Fourth Proportional to 783,850.21, 1,081,748.87 and 461,573.89

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Solution

The fourth proportional to 783,850.21, 1,081,748.87 and 461,573.89 is: 636,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,850.21 : 1,081,748.87 = 461,573.89 : x
  2. Step 2: Convert to fraction form
    783,850.21/1,081,748.87 = 461,573.89/x
  3. Step 3: Cross multiply
    783,850.21x = 1,081,748.87 × 461,573.89
  4. Step 4: Simplify right side
    783,850.21x = 499,307,031,621.14
  5. Step 5: Solve for x
    x = 499,307,031,621.14/783,850.21
  6. Step 6: Final answer
    x = 636,992.92

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1.5x scale

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.