Home / 353,311.06-528,741.87-338,614.42

Finding the Fourth Proportional to 353,311.06, 528,741.87 and 338,614.42

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Solution

The fourth proportional to 353,311.06, 528,741.87 and 338,614.42 is: 506,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,311.06 : 528,741.87 = 338,614.42 : x
  2. Step 2: Convert to fraction form
    353,311.06/528,741.87 = 338,614.42/x
  3. Step 3: Cross multiply
    353,311.06x = 528,741.87 × 338,614.42
  4. Step 4: Simplify right side
    353,311.06x = 179,039,621,639.77
  5. Step 5: Solve for x
    x = 179,039,621,639.77/353,311.06
  6. Step 6: Final answer
    x = 506,747.85

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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.