Home / 462,131.80-693,428.10-262,605.40

Finding the Fourth Proportional to 462,131.80, 693,428.10 and 262,605.40

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Solution

The fourth proportional to 462,131.80, 693,428.10 and 262,605.40 is: 394,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,131.80 : 693,428.10 = 262,605.40 : x
  2. Step 2: Convert to fraction form
    462,131.80/693,428.10 = 262,605.40/x
  3. Step 3: Cross multiply
    462,131.80x = 693,428.10 × 262,605.40
  4. Step 4: Simplify right side
    462,131.80x = 182,097,963,571.74
  5. Step 5: Solve for x
    x = 182,097,963,571.74/462,131.80
  6. Step 6: Final answer
    x = 394,039.02

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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.