Home / 626,199.92-864,156.19-339,719.93

Finding the Fourth Proportional to 626,199.92, 864,156.19 and 339,719.93

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Solution

The fourth proportional to 626,199.92, 864,156.19 and 339,719.93 is: 468,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,199.92 : 864,156.19 = 339,719.93 : x
  2. Step 2: Convert to fraction form
    626,199.92/864,156.19 = 339,719.93/x
  3. Step 3: Cross multiply
    626,199.92x = 864,156.19 × 339,719.93
  4. Step 4: Simplify right side
    626,199.92x = 293,571,080,375.87
  5. Step 5: Solve for x
    x = 293,571,080,375.87/626,199.92
  6. Step 6: Final answer
    x = 468,813.67

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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.