Home / 646,736.94-892,496.34-360,325.80

Finding the Fourth Proportional to 646,736.94, 892,496.34 and 360,325.80

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Solution

The fourth proportional to 646,736.94, 892,496.34 and 360,325.80 is: 497,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,736.94 : 892,496.34 = 360,325.80 : x
  2. Step 2: Convert to fraction form
    646,736.94/892,496.34 = 360,325.80/x
  3. Step 3: Cross multiply
    646,736.94x = 892,496.34 × 360,325.80
  4. Step 4: Simplify right side
    646,736.94x = 321,589,457,707.57
  5. Step 5: Solve for x
    x = 321,589,457,707.57/646,736.94
  6. Step 6: Final answer
    x = 497,249.25

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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.