Home / 669,668.16-1,004,642.64-196,314.96

Finding the Fourth Proportional to 669,668.16, 1,004,642.64 and 196,314.96

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Solution

The fourth proportional to 669,668.16, 1,004,642.64 and 196,314.96 is: 294,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,668.16 : 1,004,642.64 = 196,314.96 : x
  2. Step 2: Convert to fraction form
    669,668.16/1,004,642.64 = 196,314.96/x
  3. Step 3: Cross multiply
    669,668.16x = 1,004,642.64 × 196,314.96
  4. Step 4: Simplify right side
    669,668.16x = 197,226,379,685.89
  5. Step 5: Solve for x
    x = 197,226,379,685.89/669,668.16
  6. Step 6: Final answer
    x = 294,513.60

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1.5x scale

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.