Home / 558,768.98-771,078.30-317,046.36

Finding the Fourth Proportional to 558,768.98, 771,078.30 and 317,046.36

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Solution

The fourth proportional to 558,768.98, 771,078.30 and 317,046.36 is: 437,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,768.98 : 771,078.30 = 317,046.36 : x
  2. Step 2: Convert to fraction form
    558,768.98/771,078.30 = 317,046.36/x
  3. Step 3: Cross multiply
    558,768.98x = 771,078.30 × 317,046.36
  4. Step 4: Simplify right side
    558,768.98x = 244,467,568,289.99
  5. Step 5: Solve for x
    x = 244,467,568,289.99/558,768.98
  6. Step 6: Final answer
    x = 437,510.99

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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.