Home / 923,511.95-1,385,406.44-324,367.51

Finding the Fourth Proportional to 923,511.95, 1,385,406.44 and 324,367.51

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Solution

The fourth proportional to 923,511.95, 1,385,406.44 and 324,367.51 is: 486,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,511.95 : 1,385,406.44 = 324,367.51 : x
  2. Step 2: Convert to fraction form
    923,511.95/1,385,406.44 = 324,367.51/x
  3. Step 3: Cross multiply
    923,511.95x = 1,385,406.44 × 324,367.51
  4. Step 4: Simplify right side
    923,511.95x = 449,380,837,280.76
  5. Step 5: Solve for x
    x = 449,380,837,280.76/923,511.95
  6. Step 6: Final answer
    x = 486,599.92

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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.