Home / 496,284.04-684,878.96-289,546.41

Finding the Fourth Proportional to 496,284.04, 684,878.96 and 289,546.41

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Solution

The fourth proportional to 496,284.04, 684,878.96 and 289,546.41 is: 399,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,284.04 : 684,878.96 = 289,546.41 : x
  2. Step 2: Convert to fraction form
    496,284.04/684,878.96 = 289,546.41/x
  3. Step 3: Cross multiply
    496,284.04x = 684,878.96 × 289,546.41
  4. Step 4: Simplify right side
    496,284.04x = 198,304,244,584.70
  5. Step 5: Solve for x
    x = 198,304,244,584.70/496,284.04
  6. Step 6: Final answer
    x = 399,578.13

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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.