Home / 987,940.94-1,363,359.93-535,231.94

Finding the Fourth Proportional to 987,940.94, 1,363,359.93 and 535,231.94

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Solution

The fourth proportional to 987,940.94, 1,363,359.93 and 535,231.94 is: 738,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,940.94 : 1,363,359.93 = 535,231.94 : x
  2. Step 2: Convert to fraction form
    987,940.94/1,363,359.93 = 535,231.94/x
  3. Step 3: Cross multiply
    987,940.94x = 1,363,359.93 × 535,231.94
  4. Step 4: Simplify right side
    987,940.94x = 729,713,780,252.16
  5. Step 5: Solve for x
    x = 729,713,780,252.16/987,940.94
  6. Step 6: Final answer
    x = 738,620.85

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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.