Home / 646,583.91-892,285.82-360,103.98

Finding the Fourth Proportional to 646,583.91, 892,285.82 and 360,103.98

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Solution

The fourth proportional to 646,583.91, 892,285.82 and 360,103.98 is: 496,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,583.91 : 892,285.82 = 360,103.98 : x
  2. Step 2: Convert to fraction form
    646,583.91/892,285.82 = 360,103.98/x
  3. Step 3: Cross multiply
    646,583.91x = 892,285.82 × 360,103.98
  4. Step 4: Simplify right side
    646,583.91x = 321,315,675,079.56
  5. Step 5: Solve for x
    x = 321,315,675,079.56/646,583.91
  6. Step 6: Final answer
    x = 496,943.51

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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.