Home / 669,740.34-1,004,618.81-196,435.47

Finding the Fourth Proportional to 669,740.34, 1,004,618.81 and 196,435.47

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Solution

The fourth proportional to 669,740.34, 1,004,618.81 and 196,435.47 is: 294,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,740.34 : 1,004,618.81 = 196,435.47 : x
  2. Step 2: Convert to fraction form
    669,740.34/1,004,618.81 = 196,435.47/x
  3. Step 3: Cross multiply
    669,740.34x = 1,004,618.81 × 196,435.47
  4. Step 4: Simplify right side
    669,740.34x = 197,342,768,113.19
  5. Step 5: Solve for x
    x = 197,342,768,113.19/669,740.34
  6. Step 6: Final answer
    x = 294,655.64

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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.