Home / 698,275-1,047,473.24-192,836.64

Finding the Fourth Proportional to 698,275, 1,047,473.24 and 192,836.64

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Solution

The fourth proportional to 698,275, 1,047,473.24 and 192,836.64 is: 289,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,275 : 1,047,473.24 = 192,836.64 : x
  2. Step 2: Convert to fraction form
    698,275/1,047,473.24 = 192,836.64/x
  3. Step 3: Cross multiply
    698,275x = 1,047,473.24 × 192,836.64
  4. Step 4: Simplify right side
    698,275x = 201,991,220,091.51
  5. Step 5: Solve for x
    x = 201,991,220,091.51/698,275
  6. Step 6: Final answer
    x = 289,271.73

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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.