Home / 529,529.74-730,857.38-314,628.50

Finding the Fourth Proportional to 529,529.74, 730,857.38 and 314,628.50

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Solution

The fourth proportional to 529,529.74, 730,857.38 and 314,628.50 is: 434,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,529.74 : 730,857.38 = 314,628.50 : x
  2. Step 2: Convert to fraction form
    529,529.74/730,857.38 = 314,628.50/x
  3. Step 3: Cross multiply
    529,529.74x = 730,857.38 × 314,628.50
  4. Step 4: Simplify right side
    529,529.74x = 229,948,561,183.33
  5. Step 5: Solve for x
    x = 229,948,561,183.33/529,529.74
  6. Step 6: Final answer
    x = 434,250.51

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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.