Home / 649,262.01-896,556.09-404,664.21

Finding the Fourth Proportional to 649,262.01, 896,556.09 and 404,664.21

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Solution

The fourth proportional to 649,262.01, 896,556.09 and 404,664.21 is: 558,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,262.01 : 896,556.09 = 404,664.21 : x
  2. Step 2: Convert to fraction form
    649,262.01/896,556.09 = 404,664.21/x
  3. Step 3: Cross multiply
    649,262.01x = 896,556.09 × 404,664.21
  4. Step 4: Simplify right side
    649,262.01x = 362,804,161,880.54
  5. Step 5: Solve for x
    x = 362,804,161,880.54/649,262.01
  6. Step 6: Final answer
    x = 558,794.69

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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.