Home / 462,836.94-637,573.32-394,631.70

Finding the Fourth Proportional to 462,836.94, 637,573.32 and 394,631.70

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Solution

The fourth proportional to 462,836.94, 637,573.32 and 394,631.70 is: 543,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,836.94 : 637,573.32 = 394,631.70 : x
  2. Step 2: Convert to fraction form
    462,836.94/637,573.32 = 394,631.70/x
  3. Step 3: Cross multiply
    462,836.94x = 637,573.32 × 394,631.70
  4. Step 4: Simplify right side
    462,836.94x = 251,606,643,146.24
  5. Step 5: Solve for x
    x = 251,606,643,146.24/462,836.94
  6. Step 6: Final answer
    x = 543,618.33

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1.5x scale

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.