Home / 923,512.95-1,385,407.94-324,368.51

Finding the Fourth Proportional to 923,512.95, 1,385,407.94 and 324,368.51

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Solution

The fourth proportional to 923,512.95, 1,385,407.94 and 324,368.51 is: 486,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,512.95 : 1,385,407.94 = 324,368.51 : x
  2. Step 2: Convert to fraction form
    923,512.95/1,385,407.94 = 324,368.51/x
  3. Step 3: Cross multiply
    923,512.95x = 1,385,407.94 × 324,368.51
  4. Step 4: Simplify right side
    923,512.95x = 449,382,709,239.97
  5. Step 5: Solve for x
    x = 449,382,709,239.97/923,512.95
  6. Step 6: Final answer
    x = 486,601.42

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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.