Home / 674,917.20-1,013,031.90-409,196.70

Finding the Fourth Proportional to 674,917.20, 1,013,031.90 and 409,196.70

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Solution

The fourth proportional to 674,917.20, 1,013,031.90 and 409,196.70 is: 614,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,917.20 : 1,013,031.90 = 409,196.70 : x
  2. Step 2: Convert to fraction form
    674,917.20/1,013,031.90 = 409,196.70/x
  3. Step 3: Cross multiply
    674,917.20x = 1,013,031.90 × 409,196.70
  4. Step 4: Simplify right side
    674,917.20x = 414,529,310,474.73
  5. Step 5: Solve for x
    x = 414,529,310,474.73/674,917.20
  6. Step 6: Final answer
    x = 614,192.84

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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.