Home / 680,233.55-1,020,313.87-206,882.00

Finding the Fourth Proportional to 680,233.55, 1,020,313.87 and 206,882.00

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Solution

The fourth proportional to 680,233.55, 1,020,313.87 and 206,882.00 is: 310,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,233.55 : 1,020,313.87 = 206,882.00 : x
  2. Step 2: Convert to fraction form
    680,233.55/1,020,313.87 = 206,882.00/x
  3. Step 3: Cross multiply
    680,233.55x = 1,020,313.87 × 206,882.00
  4. Step 4: Simplify right side
    680,233.55x = 211,084,572,260.74
  5. Step 5: Solve for x
    x = 211,084,572,260.74/680,233.55
  6. Step 6: Final answer
    x = 310,311.91

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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.