Home / 559,721.75-839,713.85-185,744.75

Finding the Fourth Proportional to 559,721.75, 839,713.85 and 185,744.75

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Solution

The fourth proportional to 559,721.75, 839,713.85 and 185,744.75 is: 278,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,721.75 : 839,713.85 = 185,744.75 : x
  2. Step 2: Convert to fraction form
    559,721.75/839,713.85 = 185,744.75/x
  3. Step 3: Cross multiply
    559,721.75x = 839,713.85 × 185,744.75
  4. Step 4: Simplify right side
    559,721.75x = 155,972,438,211.06
  5. Step 5: Solve for x
    x = 155,972,438,211.06/559,721.75
  6. Step 6: Final answer
    x = 278,660.67

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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.