Home / 526,926.87-790,389.09-407,157.94

Finding the Fourth Proportional to 526,926.87, 790,389.09 and 407,157.94

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Solution

The fourth proportional to 526,926.87, 790,389.09 and 407,157.94 is: 610,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,926.87 : 790,389.09 = 407,157.94 : x
  2. Step 2: Convert to fraction form
    526,926.87/790,389.09 = 407,157.94/x
  3. Step 3: Cross multiply
    526,926.87x = 790,389.09 × 407,157.94
  4. Step 4: Simplify right side
    526,926.87x = 321,813,194,670.86
  5. Step 5: Solve for x
    x = 321,813,194,670.86/526,926.87
  6. Step 6: Final answer
    x = 610,735.97

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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.