Home / 511,788.80-767,460.24-271,850.19

Finding the Fourth Proportional to 511,788.80, 767,460.24 and 271,850.19

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Solution

The fourth proportional to 511,788.80, 767,460.24 and 271,850.19 is: 407,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,788.80 : 767,460.24 = 271,850.19 : x
  2. Step 2: Convert to fraction form
    511,788.80/767,460.24 = 271,850.19/x
  3. Step 3: Cross multiply
    511,788.80x = 767,460.24 × 271,850.19
  4. Step 4: Simplify right side
    511,788.80x = 208,634,212,061.45
  5. Step 5: Solve for x
    x = 208,634,212,061.45/511,788.80
  6. Step 6: Final answer
    x = 407,656.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.