Home / 786,668.80-1,179,995.52-225,706.24

Finding the Fourth Proportional to 786,668.80, 1,179,995.52 and 225,706.24

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Solution

The fourth proportional to 786,668.80, 1,179,995.52 and 225,706.24 is: 338,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,668.80 : 1,179,995.52 = 225,706.24 : x
  2. Step 2: Convert to fraction form
    786,668.80/1,179,995.52 = 225,706.24/x
  3. Step 3: Cross multiply
    786,668.80x = 1,179,995.52 × 225,706.24
  4. Step 4: Simplify right side
    786,668.80x = 266,332,352,036.05
  5. Step 5: Solve for x
    x = 266,332,352,036.05/786,668.80
  6. Step 6: Final answer
    x = 338,557.16

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Double scale
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Similar ratio
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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.