Home / 646,856.56-892,584.64-371,200.32

Finding the Fourth Proportional to 646,856.56, 892,584.64 and 371,200.32

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Solution

The fourth proportional to 646,856.56, 892,584.64 and 371,200.32 is: 512,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,856.56 : 892,584.64 = 371,200.32 : x
  2. Step 2: Convert to fraction form
    646,856.56/892,584.64 = 371,200.32/x
  3. Step 3: Cross multiply
    646,856.56x = 892,584.64 × 371,200.32
  4. Step 4: Simplify right side
    646,856.56x = 331,327,703,995.09
  5. Step 5: Solve for x
    x = 331,327,703,995.09/646,856.56
  6. Step 6: Final answer
    x = 512,212.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.