Home / 558,774.70-837,855.87-221,473.69

Finding the Fourth Proportional to 558,774.70, 837,855.87 and 221,473.69

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Solution

The fourth proportional to 558,774.70, 837,855.87 and 221,473.69 is: 332,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,774.70 : 837,855.87 = 221,473.69 : x
  2. Step 2: Convert to fraction form
    558,774.70/837,855.87 = 221,473.69/x
  3. Step 3: Cross multiply
    558,774.70x = 837,855.87 × 221,473.69
  4. Step 4: Simplify right side
    558,774.70x = 185,563,031,217.06
  5. Step 5: Solve for x
    x = 185,563,031,217.06/558,774.70
  6. Step 6: Final answer
    x = 332,089.18

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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.