Home / 682,550.40-942,106.91-396,162.75

Finding the Fourth Proportional to 682,550.40, 942,106.91 and 396,162.75

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Solution

The fourth proportional to 682,550.40, 942,106.91 and 396,162.75 is: 546,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,550.40 : 942,106.91 = 396,162.75 : x
  2. Step 2: Convert to fraction form
    682,550.40/942,106.91 = 396,162.75/x
  3. Step 3: Cross multiply
    682,550.40x = 942,106.91 × 396,162.75
  4. Step 4: Simplify right side
    682,550.40x = 373,227,664,259.60
  5. Step 5: Solve for x
    x = 373,227,664,259.60/682,550.40
  6. Step 6: Final answer
    x = 546,813.34

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Double scale
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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.