Home / 571,102.35-788,021.33-325,975.19

Finding the Fourth Proportional to 571,102.35, 788,021.33 and 325,975.19

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Solution

The fourth proportional to 571,102.35, 788,021.33 and 325,975.19 is: 449,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,102.35 : 788,021.33 = 325,975.19 : x
  2. Step 2: Convert to fraction form
    571,102.35/788,021.33 = 325,975.19/x
  3. Step 3: Cross multiply
    571,102.35x = 788,021.33 × 325,975.19
  4. Step 4: Simplify right side
    571,102.35x = 256,875,404,333.39
  5. Step 5: Solve for x
    x = 256,875,404,333.39/571,102.35
  6. Step 6: Final answer
    x = 449,788.73

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Double scale
Find fourth proportional to 571,103.35, 788,022.71 and 325,976.19
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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.