Home / 990,363.89-1,366,707.75-582,482.92

Finding the Fourth Proportional to 990,363.89, 1,366,707.75 and 582,482.92

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Solution

The fourth proportional to 990,363.89, 1,366,707.75 and 582,482.92 is: 803,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,363.89 : 1,366,707.75 = 582,482.92 : x
  2. Step 2: Convert to fraction form
    990,363.89/1,366,707.75 = 582,482.92/x
  3. Step 3: Cross multiply
    990,363.89x = 1,366,707.75 × 582,482.92
  4. Step 4: Simplify right side
    990,363.89x = 796,083,921,006.63
  5. Step 5: Solve for x
    x = 796,083,921,006.63/990,363.89
  6. Step 6: Final answer
    x = 803,829.71

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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.