Home / 649,838.17-973,269.76-396,561.03

Finding the Fourth Proportional to 649,838.17, 973,269.76 and 396,561.03

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Solution

The fourth proportional to 649,838.17, 973,269.76 and 396,561.03 is: 593,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,838.17 : 973,269.76 = 396,561.03 : x
  2. Step 2: Convert to fraction form
    649,838.17/973,269.76 = 396,561.03/x
  3. Step 3: Cross multiply
    649,838.17x = 973,269.76 × 396,561.03
  4. Step 4: Simplify right side
    649,838.17x = 385,960,858,493.45
  5. Step 5: Solve for x
    x = 385,960,858,493.45/649,838.17
  6. Step 6: Final answer
    x = 593,933.81

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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.