Home / 682,425.70-1,024,416.15-402,100.90

Finding the Fourth Proportional to 682,425.70, 1,024,416.15 and 402,100.90

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Solution

The fourth proportional to 682,425.70, 1,024,416.15 and 402,100.90 is: 603,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,425.70 : 1,024,416.15 = 402,100.90 : x
  2. Step 2: Convert to fraction form
    682,425.70/1,024,416.15 = 402,100.90/x
  3. Step 3: Cross multiply
    682,425.70x = 1,024,416.15 × 402,100.90
  4. Step 4: Simplify right side
    682,425.70x = 411,918,655,889.54
  5. Step 5: Solve for x
    x = 411,918,655,889.54/682,425.70
  6. Step 6: Final answer
    x = 603,609.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.