Home / 673,623.46-928,021.31-469,304.81

Finding the Fourth Proportional to 673,623.46, 928,021.31 and 469,304.81

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Solution

The fourth proportional to 673,623.46, 928,021.31 and 469,304.81 is: 646,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,623.46 : 928,021.31 = 469,304.81 : x
  2. Step 2: Convert to fraction form
    673,623.46/928,021.31 = 469,304.81/x
  3. Step 3: Cross multiply
    673,623.46x = 928,021.31 × 469,304.81
  4. Step 4: Simplify right side
    673,623.46x = 435,524,857,578.87
  5. Step 5: Solve for x
    x = 435,524,857,578.87/673,623.46
  6. Step 6: Final answer
    x = 646,540.52

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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.