Home / 852,828.50-1,279,249.23-291,867.86

Finding the Fourth Proportional to 852,828.50, 1,279,249.23 and 291,867.86

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Solution

The fourth proportional to 852,828.50, 1,279,249.23 and 291,867.86 is: 437,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,828.50 : 1,279,249.23 = 291,867.86 : x
  2. Step 2: Convert to fraction form
    852,828.50/1,279,249.23 = 291,867.86/x
  3. Step 3: Cross multiply
    852,828.50x = 1,279,249.23 × 291,867.86
  4. Step 4: Simplify right side
    852,828.50x = 373,371,735,166.75
  5. Step 5: Solve for x
    x = 373,371,735,166.75/852,828.50
  6. Step 6: Final answer
    x = 437,804.01

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1.5x scale

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.