Home / 1,317,688.80-1,976,533.20-609,100.80

Finding the Fourth Proportional to 1,317,688.80, 1,976,533.20 and 609,100.80

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Solution

The fourth proportional to 1,317,688.80, 1,976,533.20 and 609,100.80 is: 913,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,688.80 : 1,976,533.20 = 609,100.80 : x
  2. Step 2: Convert to fraction form
    1,317,688.80/1,976,533.20 = 609,100.80/x
  3. Step 3: Cross multiply
    1,317,688.80x = 1,976,533.20 × 609,100.80
  4. Step 4: Simplify right side
    1,317,688.80x = 1,203,907,953,346.56
  5. Step 5: Solve for x
    x = 1,203,907,953,346.56/1,317,688.80
  6. Step 6: Final answer
    x = 913,651.20

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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.