Home / 1,211,997.20-1,672,567.43-668,152.45

Finding the Fourth Proportional to 1,211,997.20, 1,672,567.43 and 668,152.45

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Solution

The fourth proportional to 1,211,997.20, 1,672,567.43 and 668,152.45 is: 922,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,997.20 : 1,672,567.43 = 668,152.45 : x
  2. Step 2: Convert to fraction form
    1,211,997.20/1,672,567.43 = 668,152.45/x
  3. Step 3: Cross multiply
    1,211,997.20x = 1,672,567.43 × 668,152.45
  4. Step 4: Simplify right side
    1,211,997.20x = 1,117,530,022,803.94
  5. Step 5: Solve for x
    x = 1,117,530,022,803.94/1,211,997.20
  6. Step 6: Final answer
    x = 922,056.60

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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.