Home / 714,778.07-1,072,167.49-448,725.42

Finding the Fourth Proportional to 714,778.07, 1,072,167.49 and 448,725.42

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Solution

The fourth proportional to 714,778.07, 1,072,167.49 and 448,725.42 is: 673,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,778.07 : 1,072,167.49 = 448,725.42 : x
  2. Step 2: Convert to fraction form
    714,778.07/1,072,167.49 = 448,725.42/x
  3. Step 3: Cross multiply
    714,778.07x = 1,072,167.49 × 448,725.42
  4. Step 4: Simplify right side
    714,778.07x = 481,108,805,297.42
  5. Step 5: Solve for x
    x = 481,108,805,297.42/714,778.07
  6. Step 6: Final answer
    x = 673,088.37

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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.