Home / 716,509.35-1,073,321.46-331,715.81

Finding the Fourth Proportional to 716,509.35, 1,073,321.46 and 331,715.81

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Solution

The fourth proportional to 716,509.35, 1,073,321.46 and 331,715.81 is: 496,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,509.35 : 1,073,321.46 = 331,715.81 : x
  2. Step 2: Convert to fraction form
    716,509.35/1,073,321.46 = 331,715.81/x
  3. Step 3: Cross multiply
    716,509.35x = 1,073,321.46 × 331,715.81
  4. Step 4: Simplify right side
    716,509.35x = 356,037,692,127.68
  5. Step 5: Solve for x
    x = 356,037,692,127.68/716,509.35
  6. Step 6: Final answer
    x = 496,905.86

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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.