Home / 849,301.03-1,172,067.76-486,794.85

Finding the Fourth Proportional to 849,301.03, 1,172,067.76 and 486,794.85

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Solution

The fourth proportional to 849,301.03, 1,172,067.76 and 486,794.85 is: 671,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,301.03 : 1,172,067.76 = 486,794.85 : x
  2. Step 2: Convert to fraction form
    849,301.03/1,172,067.76 = 486,794.85/x
  3. Step 3: Cross multiply
    849,301.03x = 1,172,067.76 × 486,794.85
  4. Step 4: Simplify right side
    849,301.03x = 570,556,545,632.28
  5. Step 5: Solve for x
    x = 570,556,545,632.28/849,301.03
  6. Step 6: Final answer
    x = 671,795.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.