Home / 699,631.83-1,049,405.97-411,605.28

Finding the Fourth Proportional to 699,631.83, 1,049,405.97 and 411,605.28

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Solution

The fourth proportional to 699,631.83, 1,049,405.97 and 411,605.28 is: 617,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,631.83 : 1,049,405.97 = 411,605.28 : x
  2. Step 2: Convert to fraction form
    699,631.83/1,049,405.97 = 411,605.28/x
  3. Step 3: Cross multiply
    699,631.83x = 1,049,405.97 × 411,605.28
  4. Step 4: Simplify right side
    699,631.83x = 431,941,038,115.52
  5. Step 5: Solve for x
    x = 431,941,038,115.52/699,631.83
  6. Step 6: Final answer
    x = 617,383.34

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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.