Home / 979,676.54-1,469,530.38-372,474.11

Finding the Fourth Proportional to 979,676.54, 1,469,530.38 and 372,474.11

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Solution

The fourth proportional to 979,676.54, 1,469,530.38 and 372,474.11 is: 558,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,676.54 : 1,469,530.38 = 372,474.11 : x
  2. Step 2: Convert to fraction form
    979,676.54/1,469,530.38 = 372,474.11/x
  3. Step 3: Cross multiply
    979,676.54x = 1,469,530.38 × 372,474.11
  4. Step 4: Simplify right side
    979,676.54x = 547,362,013,060.81
  5. Step 5: Solve for x
    x = 547,362,013,060.81/979,676.54
  6. Step 6: Final answer
    x = 558,717.08

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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.