Home / 711,120.24-981,593.04-409,434.48

Finding the Fourth Proportional to 711,120.24, 981,593.04 and 409,434.48

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Solution

The fourth proportional to 711,120.24, 981,593.04 and 409,434.48 is: 565,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,120.24 : 981,593.04 = 409,434.48 : x
  2. Step 2: Convert to fraction form
    711,120.24/981,593.04 = 409,434.48/x
  3. Step 3: Cross multiply
    711,120.24x = 981,593.04 × 409,434.48
  4. Step 4: Simplify right side
    711,120.24x = 401,898,035,904.02
  5. Step 5: Solve for x
    x = 401,898,035,904.02/711,120.24
  6. Step 6: Final answer
    x = 565,161.86

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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.