Home / 1,646,628.52-2,271,292.94-1,320,723.53

Finding the Fourth Proportional to 1,646,628.52, 2,271,292.94 and 1,320,723.53

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Solution

The fourth proportional to 1,646,628.52, 2,271,292.94 and 1,320,723.53 is: 1,821,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,628.52 : 2,271,292.94 = 1,320,723.53 : x
  2. Step 2: Convert to fraction form
    1,646,628.52/2,271,292.94 = 1,320,723.53/x
  3. Step 3: Cross multiply
    1,646,628.52x = 2,271,292.94 × 1,320,723.53
  4. Step 4: Simplify right side
    1,646,628.52x = 2,999,750,022,777.26
  5. Step 5: Solve for x
    x = 2,999,750,022,777.26/1,646,628.52
  6. Step 6: Final answer
    x = 1,821,752.74

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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.