Home / 1,065,905.20-1,470,968.42-582,490.72

Finding the Fourth Proportional to 1,065,905.20, 1,470,968.42 and 582,490.72

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Solution

The fourth proportional to 1,065,905.20, 1,470,968.42 and 582,490.72 is: 803,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,905.20 : 1,470,968.42 = 582,490.72 : x
  2. Step 2: Convert to fraction form
    1,065,905.20/1,470,968.42 = 582,490.72/x
  3. Step 3: Cross multiply
    1,065,905.20x = 1,470,968.42 × 582,490.72
  4. Step 4: Simplify right side
    1,065,905.20x = 856,825,454,063.06
  5. Step 5: Solve for x
    x = 856,825,454,063.06/1,065,905.20
  6. Step 6: Final answer
    x = 803,847.71

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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.