Home / 855,556.14-1,282,891.23-456,089.61

Finding the Fourth Proportional to 855,556.14, 1,282,891.23 and 456,089.61

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Solution

The fourth proportional to 855,556.14, 1,282,891.23 and 456,089.61 is: 683,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,556.14 : 1,282,891.23 = 456,089.61 : x
  2. Step 2: Convert to fraction form
    855,556.14/1,282,891.23 = 456,089.61/x
  3. Step 3: Cross multiply
    855,556.14x = 1,282,891.23 × 456,089.61
  4. Step 4: Simplify right side
    855,556.14x = 585,113,360,763.12
  5. Step 5: Solve for x
    x = 585,113,360,763.12/855,556.14
  6. Step 6: Final answer
    x = 683,898.27

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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.