Home / 682,412.40-1,023,581.70-209,099.16

Finding the Fourth Proportional to 682,412.40, 1,023,581.70 and 209,099.16

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Solution

The fourth proportional to 682,412.40, 1,023,581.70 and 209,099.16 is: 313,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,412.40 : 1,023,581.70 = 209,099.16 : x
  2. Step 2: Convert to fraction form
    682,412.40/1,023,581.70 = 209,099.16/x
  3. Step 3: Cross multiply
    682,412.40x = 1,023,581.70 × 209,099.16
  4. Step 4: Simplify right side
    682,412.40x = 214,030,073,661.37
  5. Step 5: Solve for x
    x = 214,030,073,661.37/682,412.40
  6. Step 6: Final answer
    x = 313,637.43

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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.