Home / 769,545.68-1,154,580.96-414,596.12

Finding the Fourth Proportional to 769,545.68, 1,154,580.96 and 414,596.12

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Solution

The fourth proportional to 769,545.68, 1,154,580.96 and 414,596.12 is: 622,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,545.68 : 1,154,580.96 = 414,596.12 : x
  2. Step 2: Convert to fraction form
    769,545.68/1,154,580.96 = 414,596.12/x
  3. Step 3: Cross multiply
    769,545.68x = 1,154,580.96 × 414,596.12
  4. Step 4: Simplify right side
    769,545.68x = 478,684,786,241.88
  5. Step 5: Solve for x
    x = 478,684,786,241.88/769,545.68
  6. Step 6: Final answer
    x = 622,035.57

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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.