Home / 661,786.56-912,630.24-444,486.24

Finding the Fourth Proportional to 661,786.56, 912,630.24 and 444,486.24

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Solution

The fourth proportional to 661,786.56, 912,630.24 and 444,486.24 is: 612,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,786.56 : 912,630.24 = 444,486.24 : x
  2. Step 2: Convert to fraction form
    661,786.56/912,630.24 = 444,486.24/x
  3. Step 3: Cross multiply
    661,786.56x = 912,630.24 × 444,486.24
  4. Step 4: Simplify right side
    661,786.56x = 405,651,583,887.90
  5. Step 5: Solve for x
    x = 405,651,583,887.90/661,786.56
  6. Step 6: Final answer
    x = 612,964.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.