Home / 579,175.45-798,788.25-407,661.19

Finding the Fourth Proportional to 579,175.45, 798,788.25 and 407,661.19

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Solution

The fourth proportional to 579,175.45, 798,788.25 and 407,661.19 is: 562,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,175.45 : 798,788.25 = 407,661.19 : x
  2. Step 2: Convert to fraction form
    579,175.45/798,788.25 = 407,661.19/x
  3. Step 3: Cross multiply
    579,175.45x = 798,788.25 × 407,661.19
  4. Step 4: Simplify right side
    579,175.45x = 325,634,966,556.05
  5. Step 5: Solve for x
    x = 325,634,966,556.05/579,175.45
  6. Step 6: Final answer
    x = 562,238.90

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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.