Home / 1,579,784-2,180,103.36-864,392

Finding the Fourth Proportional to 1,579,784, 2,180,103.36 and 864,392

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Solution

The fourth proportional to 1,579,784, 2,180,103.36 and 864,392 is: 1,192,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,784 : 2,180,103.36 = 864,392 : x
  2. Step 2: Convert to fraction form
    1,579,784/2,180,103.36 = 864,392/x
  3. Step 3: Cross multiply
    1,579,784x = 2,180,103.36 × 864,392
  4. Step 4: Simplify right side
    1,579,784x = 1,884,463,903,557.12
  5. Step 5: Solve for x
    x = 1,884,463,903,557.12/1,579,784
  6. Step 6: Final answer
    x = 1,192,861.75

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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.