Home / 811,609.29-1,217,588.90-243,035.46

Finding the Fourth Proportional to 811,609.29, 1,217,588.90 and 243,035.46

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Solution

The fourth proportional to 811,609.29, 1,217,588.90 and 243,035.46 is: 364,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,609.29 : 1,217,588.90 = 243,035.46 : x
  2. Step 2: Convert to fraction form
    811,609.29/1,217,588.90 = 243,035.46/x
  3. Step 3: Cross multiply
    811,609.29x = 1,217,588.90 × 243,035.46
  4. Step 4: Simplify right side
    811,609.29x = 295,917,277,187.22
  5. Step 5: Solve for x
    x = 295,917,277,187.22/811,609.29
  6. Step 6: Final answer
    x = 364,605.58

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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.