Home / 682,632.39-1,024,055.51-209,268.39

Finding the Fourth Proportional to 682,632.39, 1,024,055.51 and 209,268.39

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Solution

The fourth proportional to 682,632.39, 1,024,055.51 and 209,268.39 is: 313,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,632.39 : 1,024,055.51 = 209,268.39 : x
  2. Step 2: Convert to fraction form
    682,632.39/1,024,055.51 = 209,268.39/x
  3. Step 3: Cross multiply
    682,632.39x = 1,024,055.51 × 209,268.39
  4. Step 4: Simplify right side
    682,632.39x = 214,302,446,801.99
  5. Step 5: Solve for x
    x = 214,302,446,801.99/682,632.39
  6. Step 6: Final answer
    x = 313,935.36

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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.