Home / 626,128.14-864,059.03-339,650.27

Finding the Fourth Proportional to 626,128.14, 864,059.03 and 339,650.27

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Solution

The fourth proportional to 626,128.14, 864,059.03 and 339,650.27 is: 468,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,128.14 : 864,059.03 = 339,650.27 : x
  2. Step 2: Convert to fraction form
    626,128.14/864,059.03 = 339,650.27/x
  3. Step 3: Cross multiply
    626,128.14x = 864,059.03 × 339,650.27
  4. Step 4: Simplify right side
    626,128.14x = 293,477,882,835.44
  5. Step 5: Solve for x
    x = 293,477,882,835.44/626,128.14
  6. Step 6: Final answer
    x = 468,718.56

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1.5x scale

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.