Home / 873,719.36-1,205,771.52-491,770.88

Finding the Fourth Proportional to 873,719.36, 1,205,771.52 and 491,770.88

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Solution

The fourth proportional to 873,719.36, 1,205,771.52 and 491,770.88 is: 678,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,719.36 : 1,205,771.52 = 491,770.88 : x
  2. Step 2: Convert to fraction form
    873,719.36/1,205,771.52 = 491,770.88/x
  3. Step 3: Cross multiply
    873,719.36x = 1,205,771.52 × 491,770.88
  4. Step 4: Simplify right side
    873,719.36x = 592,963,321,469.34
  5. Step 5: Solve for x
    x = 592,963,321,469.34/873,719.36
  6. Step 6: Final answer
    x = 678,665.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.