Home / 644,943.88-967,532.16-265,657.56

Finding the Fourth Proportional to 644,943.88, 967,532.16 and 265,657.56

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Solution

The fourth proportional to 644,943.88, 967,532.16 and 265,657.56 is: 398,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,943.88 : 967,532.16 = 265,657.56 : x
  2. Step 2: Convert to fraction form
    644,943.88/967,532.16 = 265,657.56/x
  3. Step 3: Cross multiply
    644,943.88x = 967,532.16 × 265,657.56
  4. Step 4: Simplify right side
    644,943.88x = 257,032,233,843.35
  5. Step 5: Solve for x
    x = 257,032,233,843.35/644,943.88
  6. Step 6: Final answer
    x = 398,534.26

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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.