Home / 548,629.10-822,943.65-268,693.10

Finding the Fourth Proportional to 548,629.10, 822,943.65 and 268,693.10

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Solution

The fourth proportional to 548,629.10, 822,943.65 and 268,693.10 is: 403,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,629.10 : 822,943.65 = 268,693.10 : x
  2. Step 2: Convert to fraction form
    548,629.10/822,943.65 = 268,693.10/x
  3. Step 3: Cross multiply
    548,629.10x = 822,943.65 × 268,693.10
  4. Step 4: Simplify right side
    548,629.10x = 221,119,280,443.82
  5. Step 5: Solve for x
    x = 221,119,280,443.82/548,629.10
  6. Step 6: Final answer
    x = 403,039.65

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Similar ratio
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1.5x scale

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.