Home / 654,919.06-981,377.07-440,894.26

Finding the Fourth Proportional to 654,919.06, 981,377.07 and 440,894.26

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Solution

The fourth proportional to 654,919.06, 981,377.07 and 440,894.26 is: 660,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,919.06 : 981,377.07 = 440,894.26 : x
  2. Step 2: Convert to fraction form
    654,919.06/981,377.07 = 440,894.26/x
  3. Step 3: Cross multiply
    654,919.06x = 981,377.07 × 440,894.26
  4. Step 4: Simplify right side
    654,919.06x = 432,683,517,058.62
  5. Step 5: Solve for x
    x = 432,683,517,058.62/654,919.06
  6. Step 6: Final answer
    x = 660,667.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.