Home / 873,154.19-1,204,950.89-491,180.97

Finding the Fourth Proportional to 873,154.19, 1,204,950.89 and 491,180.97

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Solution

The fourth proportional to 873,154.19, 1,204,950.89 and 491,180.97 is: 677,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,154.19 : 1,204,950.89 = 491,180.97 : x
  2. Step 2: Convert to fraction form
    873,154.19/1,204,950.89 = 491,180.97/x
  3. Step 3: Cross multiply
    873,154.19x = 1,204,950.89 × 491,180.97
  4. Step 4: Simplify right side
    873,154.19x = 591,848,946,952.56
  5. Step 5: Solve for x
    x = 591,848,946,952.56/873,154.19
  6. Step 6: Final answer
    x = 677,828.67

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Double scale
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1.5x scale

Why These Related Problems?

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