Home / 711,098.24-981,562.56-409,412.48

Finding the Fourth Proportional to 711,098.24, 981,562.56 and 409,412.48

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Solution

The fourth proportional to 711,098.24, 981,562.56 and 409,412.48 is: 565,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,098.24 : 981,562.56 = 409,412.48 : x
  2. Step 2: Convert to fraction form
    711,098.24/981,562.56 = 409,412.48/x
  3. Step 3: Cross multiply
    711,098.24x = 981,562.56 × 409,412.48
  4. Step 4: Simplify right side
    711,098.24x = 401,863,961,964.75
  5. Step 5: Solve for x
    x = 401,863,961,964.75/711,098.24
  6. Step 6: Final answer
    x = 565,131.43

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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.