Home / 772,988.56-1,066,735.24-467,022.48

Finding the Fourth Proportional to 772,988.56, 1,066,735.24 and 467,022.48

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Solution

The fourth proportional to 772,988.56, 1,066,735.24 and 467,022.48 is: 644,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,988.56 : 1,066,735.24 = 467,022.48 : x
  2. Step 2: Convert to fraction form
    772,988.56/1,066,735.24 = 467,022.48/x
  3. Step 3: Cross multiply
    772,988.56x = 1,066,735.24 × 467,022.48
  4. Step 4: Simplify right side
    772,988.56x = 498,189,337,288.20
  5. Step 5: Solve for x
    x = 498,189,337,288.20/772,988.56
  6. Step 6: Final answer
    x = 644,497.68

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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.