Home / 683,556.57-1,025,330.94-278,747.19

Finding the Fourth Proportional to 683,556.57, 1,025,330.94 and 278,747.19

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Solution

The fourth proportional to 683,556.57, 1,025,330.94 and 278,747.19 is: 418,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,556.57 : 1,025,330.94 = 278,747.19 : x
  2. Step 2: Convert to fraction form
    683,556.57/1,025,330.94 = 278,747.19/x
  3. Step 3: Cross multiply
    683,556.57x = 1,025,330.94 × 278,747.19
  4. Step 4: Simplify right side
    683,556.57x = 285,808,118,345.06
  5. Step 5: Solve for x
    x = 285,808,118,345.06/683,556.57
  6. Step 6: Final answer
    x = 418,119.19

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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.