Home / 886,738.40-1,223,260.53-523,986.74

Finding the Fourth Proportional to 886,738.40, 1,223,260.53 and 523,986.74

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Solution

The fourth proportional to 886,738.40, 1,223,260.53 and 523,986.74 is: 722,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,738.40 : 1,223,260.53 = 523,986.74 : x
  2. Step 2: Convert to fraction form
    886,738.40/1,223,260.53 = 523,986.74/x
  3. Step 3: Cross multiply
    886,738.40x = 1,223,260.53 × 523,986.74
  4. Step 4: Simplify right side
    886,738.40x = 640,972,297,285.37
  5. Step 5: Solve for x
    x = 640,972,297,285.37/886,738.40
  6. Step 6: Final answer
    x = 722,842.61

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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.