Home / 646,578.26-892,305.69-360,098.35

Finding the Fourth Proportional to 646,578.26, 892,305.69 and 360,098.35

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Solution

The fourth proportional to 646,578.26, 892,305.69 and 360,098.35 is: 496,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,578.26 : 892,305.69 = 360,098.35 : x
  2. Step 2: Convert to fraction form
    646,578.26/892,305.69 = 360,098.35/x
  3. Step 3: Cross multiply
    646,578.26x = 892,305.69 × 360,098.35
  4. Step 4: Simplify right side
    646,578.26x = 321,317,802,203.08
  5. Step 5: Solve for x
    x = 321,317,802,203.08/646,578.26
  6. Step 6: Final answer
    x = 496,951.14

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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.