Home / 990,372.24-1,367,038.89-582,456.24

Finding the Fourth Proportional to 990,372.24, 1,367,038.89 and 582,456.24

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Solution

The fourth proportional to 990,372.24, 1,367,038.89 and 582,456.24 is: 803,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,372.24 : 1,367,038.89 = 582,456.24 : x
  2. Step 2: Convert to fraction form
    990,372.24/1,367,038.89 = 582,456.24/x
  3. Step 3: Cross multiply
    990,372.24x = 1,367,038.89 × 582,456.24
  4. Step 4: Simplify right side
    990,372.24x = 796,240,331,803.17
  5. Step 5: Solve for x
    x = 796,240,331,803.17/990,372.24
  6. Step 6: Final answer
    x = 803,980.87

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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.