Home / 698,148.27-1,047,282.48-192,709.32

Finding the Fourth Proportional to 698,148.27, 1,047,282.48 and 192,709.32

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Solution

The fourth proportional to 698,148.27, 1,047,282.48 and 192,709.32 is: 289,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,148.27 : 1,047,282.48 = 192,709.32 : x
  2. Step 2: Convert to fraction form
    698,148.27/1,047,282.48 = 192,709.32/x
  3. Step 3: Cross multiply
    698,148.27x = 1,047,282.48 × 192,709.32
  4. Step 4: Simplify right side
    698,148.27x = 201,821,094,568.71
  5. Step 5: Solve for x
    x = 201,821,094,568.71/698,148.27
  6. Step 6: Final answer
    x = 289,080.56

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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.