Home / 711,126.24-981,601.32-409,440.48

Finding the Fourth Proportional to 711,126.24, 981,601.32 and 409,440.48

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Solution

The fourth proportional to 711,126.24, 981,601.32 and 409,440.48 is: 565,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,126.24 : 981,601.32 = 409,440.48 : x
  2. Step 2: Convert to fraction form
    711,126.24/981,601.32 = 409,440.48/x
  3. Step 3: Cross multiply
    711,126.24x = 981,601.32 × 409,440.48
  4. Step 4: Simplify right side
    711,126.24x = 401,907,315,629.43
  5. Step 5: Solve for x
    x = 401,907,315,629.43/711,126.24
  6. Step 6: Final answer
    x = 565,170.14

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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.