Home / 646,561.27-892,282.24-360,081.36

Finding the Fourth Proportional to 646,561.27, 892,282.24 and 360,081.36

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Solution

The fourth proportional to 646,561.27, 892,282.24 and 360,081.36 is: 496,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,561.27 : 892,282.24 = 360,081.36 : x
  2. Step 2: Convert to fraction form
    646,561.27/892,282.24 = 360,081.36/x
  3. Step 3: Cross multiply
    646,561.27x = 892,282.24 × 360,081.36
  4. Step 4: Simplify right side
    646,561.27x = 321,294,202,483.05
  5. Step 5: Solve for x
    x = 321,294,202,483.05/646,561.27
  6. Step 6: Final answer
    x = 496,927.70

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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.