Home / 674,252.21-930,496.37-387,772.56

Finding the Fourth Proportional to 674,252.21, 930,496.37 and 387,772.56

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Solution

The fourth proportional to 674,252.21, 930,496.37 and 387,772.56 is: 535,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,252.21 : 930,496.37 = 387,772.56 : x
  2. Step 2: Convert to fraction form
    674,252.21/930,496.37 = 387,772.56/x
  3. Step 3: Cross multiply
    674,252.21x = 930,496.37 × 387,772.56
  4. Step 4: Simplify right side
    674,252.21x = 360,820,959,465.61
  5. Step 5: Solve for x
    x = 360,820,959,465.61/674,252.21
  6. Step 6: Final answer
    x = 535,142.42

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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.