Home / 382,110.86-526,786.08-304,848.56

Finding the Fourth Proportional to 382,110.86, 526,786.08 and 304,848.56

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Solution

The fourth proportional to 382,110.86, 526,786.08 and 304,848.56 is: 420,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,110.86 : 526,786.08 = 304,848.56 : x
  2. Step 2: Convert to fraction form
    382,110.86/526,786.08 = 304,848.56/x
  3. Step 3: Cross multiply
    382,110.86x = 526,786.08 × 304,848.56
  4. Step 4: Simplify right side
    382,110.86x = 160,589,977,916.05
  5. Step 5: Solve for x
    x = 160,589,977,916.05/382,110.86
  6. Step 6: Final answer
    x = 420,270.65

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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.