Home / 852,354.11-1,176,276.89-465,190.67

Finding the Fourth Proportional to 852,354.11, 1,176,276.89 and 465,190.67

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Solution

The fourth proportional to 852,354.11, 1,176,276.89 and 465,190.67 is: 641,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,354.11 : 1,176,276.89 = 465,190.67 : x
  2. Step 2: Convert to fraction form
    852,354.11/1,176,276.89 = 465,190.67/x
  3. Step 3: Cross multiply
    852,354.11x = 1,176,276.89 × 465,190.67
  4. Step 4: Simplify right side
    852,354.11x = 547,193,034,564.62
  5. Step 5: Solve for x
    x = 547,193,034,564.62/852,354.11
  6. Step 6: Final answer
    x = 641,978.53

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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.