Home / 1,172,751.72-1,618,260.84-656,533.88

Finding the Fourth Proportional to 1,172,751.72, 1,618,260.84 and 656,533.88

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Solution

The fourth proportional to 1,172,751.72, 1,618,260.84 and 656,533.88 is: 905,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,751.72 : 1,618,260.84 = 656,533.88 : x
  2. Step 2: Convert to fraction form
    1,172,751.72/1,618,260.84 = 656,533.88/x
  3. Step 3: Cross multiply
    1,172,751.72x = 1,618,260.84 × 656,533.88
  4. Step 4: Simplify right side
    1,172,751.72x = 1,062,443,068,137.26
  5. Step 5: Solve for x
    x = 1,062,443,068,137.26/1,172,751.72
  6. Step 6: Final answer
    x = 905,940.32

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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.