Home / 376,551.12-519,615.83-223,581.41

Finding the Fourth Proportional to 376,551.12, 519,615.83 and 223,581.41

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Solution

The fourth proportional to 376,551.12, 519,615.83 and 223,581.41 is: 308,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,551.12 : 519,615.83 = 223,581.41 : x
  2. Step 2: Convert to fraction form
    376,551.12/519,615.83 = 223,581.41/x
  3. Step 3: Cross multiply
    376,551.12x = 519,615.83 × 223,581.41
  4. Step 4: Simplify right side
    376,551.12x = 116,176,437,890.60
  5. Step 5: Solve for x
    x = 116,176,437,890.60/376,551.12
  6. Step 6: Final answer
    x = 308,527.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.