Home / 985,238.58-1,359,644.31-577,242.78

Finding the Fourth Proportional to 985,238.58, 1,359,644.31 and 577,242.78

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Solution

The fourth proportional to 985,238.58, 1,359,644.31 and 577,242.78 is: 796,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,238.58 : 1,359,644.31 = 577,242.78 : x
  2. Step 2: Convert to fraction form
    985,238.58/1,359,644.31 = 577,242.78/x
  3. Step 3: Cross multiply
    985,238.58x = 1,359,644.31 × 577,242.78
  4. Step 4: Simplify right side
    985,238.58x = 784,844,861,315.58
  5. Step 5: Solve for x
    x = 784,844,861,315.58/985,238.58
  6. Step 6: Final answer
    x = 796,603.87

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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.