Home / 684,792.33-1,027,317.60-211,366.98

Finding the Fourth Proportional to 684,792.33, 1,027,317.60 and 211,366.98

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Solution

The fourth proportional to 684,792.33, 1,027,317.60 and 211,366.98 is: 317,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,792.33 : 1,027,317.60 = 211,366.98 : x
  2. Step 2: Convert to fraction form
    684,792.33/1,027,317.60 = 211,366.98/x
  3. Step 3: Cross multiply
    684,792.33x = 1,027,317.60 × 211,366.98
  4. Step 4: Simplify right side
    684,792.33x = 217,141,018,612.85
  5. Step 5: Solve for x
    x = 217,141,018,612.85/684,792.33
  6. Step 6: Final answer
    x = 317,090.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.