Home / 646,561.44-892,282.46-360,081.53

Finding the Fourth Proportional to 646,561.44, 892,282.46 and 360,081.53

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Solution

The fourth proportional to 646,561.44, 892,282.46 and 360,081.53 is: 496,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,561.44 : 892,282.46 = 360,081.53 : x
  2. Step 2: Convert to fraction form
    646,561.44/892,282.46 = 360,081.53/x
  3. Step 3: Cross multiply
    646,561.44x = 892,282.46 × 360,081.53
  4. Step 4: Simplify right side
    646,561.44x = 321,294,433,388.96
  5. Step 5: Solve for x
    x = 321,294,433,388.96/646,561.44
  6. Step 6: Final answer
    x = 496,927.92

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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.