Home / 462,834.94-637,570.56-394,629.70

Finding the Fourth Proportional to 462,834.94, 637,570.56 and 394,629.70

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Solution

The fourth proportional to 462,834.94, 637,570.56 and 394,629.70 is: 543,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,834.94 : 637,570.56 = 394,629.70 : x
  2. Step 2: Convert to fraction form
    462,834.94/637,570.56 = 394,629.70/x
  3. Step 3: Cross multiply
    462,834.94x = 637,570.56 × 394,629.70
  4. Step 4: Simplify right side
    462,834.94x = 251,604,278,821.63
  5. Step 5: Solve for x
    x = 251,604,278,821.63/462,834.94
  6. Step 6: Final answer
    x = 543,615.57

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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.