Home / 1,362,279.24-1,879,803.92-838,906.65

Finding the Fourth Proportional to 1,362,279.24, 1,879,803.92 and 838,906.65

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Solution

The fourth proportional to 1,362,279.24, 1,879,803.92 and 838,906.65 is: 1,157,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,279.24 : 1,879,803.92 = 838,906.65 : x
  2. Step 2: Convert to fraction form
    1,362,279.24/1,879,803.92 = 838,906.65/x
  3. Step 3: Cross multiply
    1,362,279.24x = 1,879,803.92 × 838,906.65
  4. Step 4: Simplify right side
    1,362,279.24x = 1,576,980,011,281.33
  5. Step 5: Solve for x
    x = 1,576,980,011,281.33/1,362,279.24
  6. Step 6: Final answer
    x = 1,157,604.08

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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.