Home / 526,377.42-789,719.22-189,412.02

Finding the Fourth Proportional to 526,377.42, 789,719.22 and 189,412.02

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Solution

The fourth proportional to 526,377.42, 789,719.22 and 189,412.02 is: 284,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,377.42 : 789,719.22 = 189,412.02 : x
  2. Step 2: Convert to fraction form
    526,377.42/789,719.22 = 189,412.02/x
  3. Step 3: Cross multiply
    526,377.42x = 789,719.22 × 189,412.02
  4. Step 4: Simplify right side
    526,377.42x = 149,582,312,693.02
  5. Step 5: Solve for x
    x = 149,582,312,693.02/526,377.42
  6. Step 6: Final answer
    x = 284,173.12

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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.