Home / 526,476-789,529.25-147,294.86

Finding the Fourth Proportional to 526,476, 789,529.25 and 147,294.86

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Solution

The fourth proportional to 526,476, 789,529.25 and 147,294.86 is: 220,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,476 : 789,529.25 = 147,294.86 : x
  2. Step 2: Convert to fraction form
    526,476/789,529.25 = 147,294.86/x
  3. Step 3: Cross multiply
    526,476x = 789,529.25 × 147,294.86
  4. Step 4: Simplify right side
    526,476x = 116,293,595,660.53
  5. Step 5: Solve for x
    x = 116,293,595,660.53/526,476
  6. Step 6: Final answer
    x = 220,890.59

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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.