Home / 979,182.35-1,467,035.89-409,307.22

Finding the Fourth Proportional to 979,182.35, 1,467,035.89 and 409,307.22

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Solution

The fourth proportional to 979,182.35, 1,467,035.89 and 409,307.22 is: 613,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,182.35 : 1,467,035.89 = 409,307.22 : x
  2. Step 2: Convert to fraction form
    979,182.35/1,467,035.89 = 409,307.22/x
  3. Step 3: Cross multiply
    979,182.35x = 1,467,035.89 × 409,307.22
  4. Step 4: Simplify right side
    979,182.35x = 600,468,381,776.13
  5. Step 5: Solve for x
    x = 600,468,381,776.13/979,182.35
  6. Step 6: Final answer
    x = 613,234.48

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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.