Home / 864,045.54-1,295,954.50-256,820.90

Finding the Fourth Proportional to 864,045.54, 1,295,954.50 and 256,820.90

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Solution

The fourth proportional to 864,045.54, 1,295,954.50 and 256,820.90 is: 385,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,045.54 : 1,295,954.50 = 256,820.90 : x
  2. Step 2: Convert to fraction form
    864,045.54/1,295,954.50 = 256,820.90/x
  3. Step 3: Cross multiply
    864,045.54x = 1,295,954.50 × 256,820.90
  4. Step 4: Simplify right side
    864,045.54x = 332,828,201,049.05
  5. Step 5: Solve for x
    x = 332,828,201,049.05/864,045.54
  6. Step 6: Final answer
    x = 385,197.52

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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.