Home / 413,803.11-619,917.35-235,770.38

Finding the Fourth Proportional to 413,803.11, 619,917.35 and 235,770.38

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Solution

The fourth proportional to 413,803.11, 619,917.35 and 235,770.38 is: 353,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,803.11 : 619,917.35 = 235,770.38 : x
  2. Step 2: Convert to fraction form
    413,803.11/619,917.35 = 235,770.38/x
  3. Step 3: Cross multiply
    413,803.11x = 619,917.35 × 235,770.38
  4. Step 4: Simplify right side
    413,803.11x = 146,158,148,550.55
  5. Step 5: Solve for x
    x = 146,158,148,550.55/413,803.11
  6. Step 6: Final answer
    x = 353,206.98

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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.