Home / 923,510.95-1,385,404.94-324,366.51

Finding the Fourth Proportional to 923,510.95, 1,385,404.94 and 324,366.51

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Solution

The fourth proportional to 923,510.95, 1,385,404.94 and 324,366.51 is: 486,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,510.95 : 1,385,404.94 = 324,366.51 : x
  2. Step 2: Convert to fraction form
    923,510.95/1,385,404.94 = 324,366.51/x
  3. Step 3: Cross multiply
    923,510.95x = 1,385,404.94 × 324,366.51
  4. Step 4: Simplify right side
    923,510.95x = 449,378,965,324.56
  5. Step 5: Solve for x
    x = 449,378,965,324.56/923,510.95
  6. Step 6: Final answer
    x = 486,598.42

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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.