Home / 852,165.38-1,176,012.83-470,216.76

Finding the Fourth Proportional to 852,165.38, 1,176,012.83 and 470,216.76

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Solution

The fourth proportional to 852,165.38, 1,176,012.83 and 470,216.76 is: 648,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,165.38 : 1,176,012.83 = 470,216.76 : x
  2. Step 2: Convert to fraction form
    852,165.38/1,176,012.83 = 470,216.76/x
  3. Step 3: Cross multiply
    852,165.38x = 1,176,012.83 × 470,216.76
  4. Step 4: Simplify right side
    852,165.38x = 552,980,940,289.95
  5. Step 5: Solve for x
    x = 552,980,940,289.95/852,165.38
  6. Step 6: Final answer
    x = 648,912.71

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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.