Home / 626,213.56-864,176.34-339,733.64

Finding the Fourth Proportional to 626,213.56, 864,176.34 and 339,733.64

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Solution

The fourth proportional to 626,213.56, 864,176.34 and 339,733.64 is: 468,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,213.56 : 864,176.34 = 339,733.64 : x
  2. Step 2: Convert to fraction form
    626,213.56/864,176.34 = 339,733.64/x
  3. Step 3: Cross multiply
    626,213.56x = 864,176.34 × 339,733.64
  4. Step 4: Simplify right side
    626,213.56x = 293,589,777,024.52
  5. Step 5: Solve for x
    x = 293,589,777,024.52/626,213.56
  6. Step 6: Final answer
    x = 468,833.31

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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.