Home / 904,626.87-1,356,732.99-539,991.42

Finding the Fourth Proportional to 904,626.87, 1,356,732.99 and 539,991.42

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Solution

The fourth proportional to 904,626.87, 1,356,732.99 and 539,991.42 is: 809,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,626.87 : 1,356,732.99 = 539,991.42 : x
  2. Step 2: Convert to fraction form
    904,626.87/1,356,732.99 = 539,991.42/x
  3. Step 3: Cross multiply
    904,626.87x = 1,356,732.99 × 539,991.42
  4. Step 4: Simplify right side
    904,626.87x = 732,624,173,830.95
  5. Step 5: Solve for x
    x = 732,624,173,830.95/904,626.87
  6. Step 6: Final answer
    x = 809,863.38

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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.