Home / 741,142.53-1,111,779.45-208,668.17

Finding the Fourth Proportional to 741,142.53, 1,111,779.45 and 208,668.17

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Solution

The fourth proportional to 741,142.53, 1,111,779.45 and 208,668.17 is: 313,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,142.53 : 1,111,779.45 = 208,668.17 : x
  2. Step 2: Convert to fraction form
    741,142.53/1,111,779.45 = 208,668.17/x
  3. Step 3: Cross multiply
    741,142.53x = 1,111,779.45 × 208,668.17
  4. Step 4: Simplify right side
    741,142.53x = 231,992,986,054.56
  5. Step 5: Solve for x
    x = 231,992,986,054.56/741,142.53
  6. Step 6: Final answer
    x = 313,020.74

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Double scale
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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.