Home / 571,196.21-788,334.93-329,431.86

Finding the Fourth Proportional to 571,196.21, 788,334.93 and 329,431.86

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Solution

The fourth proportional to 571,196.21, 788,334.93 and 329,431.86 is: 454,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,196.21 : 788,334.93 = 329,431.86 : x
  2. Step 2: Convert to fraction form
    571,196.21/788,334.93 = 329,431.86/x
  3. Step 3: Cross multiply
    571,196.21x = 788,334.93 × 329,431.86
  4. Step 4: Simplify right side
    571,196.21x = 259,702,642,292.87
  5. Step 5: Solve for x
    x = 259,702,642,292.87/571,196.21
  6. Step 6: Final answer
    x = 454,664.51

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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.