Home / 526,828.69-789,758.63-189,786.91

Finding the Fourth Proportional to 526,828.69, 789,758.63 and 189,786.91

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Solution

The fourth proportional to 526,828.69, 789,758.63 and 189,786.91 is: 284,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,828.69 : 789,758.63 = 189,786.91 : x
  2. Step 2: Convert to fraction form
    526,828.69/789,758.63 = 189,786.91/x
  3. Step 3: Cross multiply
    526,828.69x = 789,758.63 × 189,786.91
  4. Step 4: Simplify right side
    526,828.69x = 149,885,850,033.53
  5. Step 5: Solve for x
    x = 149,885,850,033.53/526,828.69
  6. Step 6: Final answer
    x = 284,505.86

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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.