Home / 682,591.93-942,164.20-396,204.28

Finding the Fourth Proportional to 682,591.93, 942,164.20 and 396,204.28

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Solution

The fourth proportional to 682,591.93, 942,164.20 and 396,204.28 is: 546,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,591.93 : 942,164.20 = 396,204.28 : x
  2. Step 2: Convert to fraction form
    682,591.93/942,164.20 = 396,204.28/x
  3. Step 3: Cross multiply
    682,591.93x = 942,164.20 × 396,204.28
  4. Step 4: Simplify right side
    682,591.93x = 373,289,488,502.78
  5. Step 5: Solve for x
    x = 373,289,488,502.78/682,591.93
  6. Step 6: Final answer
    x = 546,870.64

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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.