Home / 1,285,533.69-1,926,639.66-611,821.44

Finding the Fourth Proportional to 1,285,533.69, 1,926,639.66 and 611,821.44

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Solution

The fourth proportional to 1,285,533.69, 1,926,639.66 and 611,821.44 is: 916,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,533.69 : 1,926,639.66 = 611,821.44 : x
  2. Step 2: Convert to fraction form
    1,285,533.69/1,926,639.66 = 611,821.44/x
  3. Step 3: Cross multiply
    1,285,533.69x = 1,926,639.66 × 611,821.44
  4. Step 4: Simplify right side
    1,285,533.69x = 1,178,759,451,142.31
  5. Step 5: Solve for x
    x = 1,178,759,451,142.31/1,285,533.69
  6. Step 6: Final answer
    x = 916,941.70

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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.