Home / 892,366.26-1,339,040.52-386,931.12

Finding the Fourth Proportional to 892,366.26, 1,339,040.52 and 386,931.12

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Solution

The fourth proportional to 892,366.26, 1,339,040.52 and 386,931.12 is: 580,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,366.26 : 1,339,040.52 = 386,931.12 : x
  2. Step 2: Convert to fraction form
    892,366.26/1,339,040.52 = 386,931.12/x
  3. Step 3: Cross multiply
    892,366.26x = 1,339,040.52 × 386,931.12
  4. Step 4: Simplify right side
    892,366.26x = 518,116,448,128.98
  5. Step 5: Solve for x
    x = 518,116,448,128.98/892,366.26
  6. Step 6: Final answer
    x = 580,609.63

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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.