Home / 990,805.57-1,367,288.46-582,933.65

Finding the Fourth Proportional to 990,805.57, 1,367,288.46 and 582,933.65

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Solution

The fourth proportional to 990,805.57, 1,367,288.46 and 582,933.65 is: 804,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,805.57 : 1,367,288.46 = 582,933.65 : x
  2. Step 2: Convert to fraction form
    990,805.57/1,367,288.46 = 582,933.65/x
  3. Step 3: Cross multiply
    990,805.57x = 1,367,288.46 × 582,933.65
  4. Step 4: Simplify right side
    990,805.57x = 797,038,445,754.24
  5. Step 5: Solve for x
    x = 797,038,445,754.24/990,805.57
  6. Step 6: Final answer
    x = 804,434.77

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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.