Home / 1,322,153.84-1,824,520.92-718,528.88

Finding the Fourth Proportional to 1,322,153.84, 1,824,520.92 and 718,528.88

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Solution

The fourth proportional to 1,322,153.84, 1,824,520.92 and 718,528.88 is: 991,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,153.84 : 1,824,520.92 = 718,528.88 : x
  2. Step 2: Convert to fraction form
    1,322,153.84/1,824,520.92 = 718,528.88/x
  3. Step 3: Cross multiply
    1,322,153.84x = 1,824,520.92 × 718,528.88
  4. Step 4: Simplify right side
    1,322,153.84x = 1,310,970,973,184.17
  5. Step 5: Solve for x
    x = 1,310,970,973,184.17/1,322,153.84
  6. Step 6: Final answer
    x = 991,541.93

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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.