Home / 886,440.30-1,328,785.65-436,793.10

Finding the Fourth Proportional to 886,440.30, 1,328,785.65 and 436,793.10

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Solution

The fourth proportional to 886,440.30, 1,328,785.65 and 436,793.10 is: 654,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,440.30 : 1,328,785.65 = 436,793.10 : x
  2. Step 2: Convert to fraction form
    886,440.30/1,328,785.65 = 436,793.10/x
  3. Step 3: Cross multiply
    886,440.30x = 1,328,785.65 × 436,793.10
  4. Step 4: Simplify right side
    886,440.30x = 580,404,403,299.02
  5. Step 5: Solve for x
    x = 580,404,403,299.02/886,440.30
  6. Step 6: Final answer
    x = 654,758.59

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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.