Home / 646,561.37-892,282.38-360,081.46

Finding the Fourth Proportional to 646,561.37, 892,282.38 and 360,081.46

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Solution

The fourth proportional to 646,561.37, 892,282.38 and 360,081.46 is: 496,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,561.37 : 892,282.38 = 360,081.46 : x
  2. Step 2: Convert to fraction form
    646,561.37/892,282.38 = 360,081.46/x
  3. Step 3: Cross multiply
    646,561.37x = 892,282.38 × 360,081.46
  4. Step 4: Simplify right side
    646,561.37x = 321,294,335,860.86
  5. Step 5: Solve for x
    x = 321,294,335,860.86/646,561.37
  6. Step 6: Final answer
    x = 496,927.83

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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.