Home / 513,560.76-769,923.78-214,264.34

Finding the Fourth Proportional to 513,560.76, 769,923.78 and 214,264.34

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Solution

The fourth proportional to 513,560.76, 769,923.78 and 214,264.34 is: 321,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,560.76 : 769,923.78 = 214,264.34 : x
  2. Step 2: Convert to fraction form
    513,560.76/769,923.78 = 214,264.34/x
  3. Step 3: Cross multiply
    513,560.76x = 769,923.78 × 214,264.34
  4. Step 4: Simplify right side
    513,560.76x = 164,967,210,011.35
  5. Step 5: Solve for x
    x = 164,967,210,011.35/513,560.76
  6. Step 6: Final answer
    x = 321,222.38

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1.5x scale

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.