Home / 852,351.11-1,176,272.75-465,187.67

Finding the Fourth Proportional to 852,351.11, 1,176,272.75 and 465,187.67

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Solution

The fourth proportional to 852,351.11, 1,176,272.75 and 465,187.67 is: 641,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,351.11 : 1,176,272.75 = 465,187.67 : x
  2. Step 2: Convert to fraction form
    852,351.11/1,176,272.75 = 465,187.67/x
  3. Step 3: Cross multiply
    852,351.11x = 1,176,272.75 × 465,187.67
  4. Step 4: Simplify right side
    852,351.11x = 547,187,579,856.99
  5. Step 5: Solve for x
    x = 547,187,579,856.99/852,351.11
  6. Step 6: Final answer
    x = 641,974.39

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1.5x scale

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.