Home / 643,971.51-965,926.09-244,581.12

Finding the Fourth Proportional to 643,971.51, 965,926.09 and 244,581.12

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Solution

The fourth proportional to 643,971.51, 965,926.09 and 244,581.12 is: 366,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,971.51 : 965,926.09 = 244,581.12 : x
  2. Step 2: Convert to fraction form
    643,971.51/965,926.09 = 244,581.12/x
  3. Step 3: Cross multiply
    643,971.51x = 965,926.09 × 244,581.12
  4. Step 4: Simplify right side
    643,971.51x = 236,247,280,099.79
  5. Step 5: Solve for x
    x = 236,247,280,099.79/643,971.51
  6. Step 6: Final answer
    x = 366,859.83

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1.5x scale

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.