Home / 1,317,355.76-1,970,620.54-1,051,635.24

Finding the Fourth Proportional to 1,317,355.76, 1,970,620.54 and 1,051,635.24

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Solution

The fourth proportional to 1,317,355.76, 1,970,620.54 and 1,051,635.24 is: 1,573,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,355.76 : 1,970,620.54 = 1,051,635.24 : x
  2. Step 2: Convert to fraction form
    1,317,355.76/1,970,620.54 = 1,051,635.24/x
  3. Step 3: Cross multiply
    1,317,355.76x = 1,970,620.54 × 1,051,635.24
  4. Step 4: Simplify right side
    1,317,355.76x = 2,072,374,004,531.83
  5. Step 5: Solve for x
    x = 2,072,374,004,531.83/1,317,355.76
  6. Step 6: Final answer
    x = 1,573,131.62

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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.