Home / 1,208,163.02-1,667,271.17-664,333.88

Finding the Fourth Proportional to 1,208,163.02, 1,667,271.17 and 664,333.88

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Solution

The fourth proportional to 1,208,163.02, 1,667,271.17 and 664,333.88 is: 916,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,163.02 : 1,667,271.17 = 664,333.88 : x
  2. Step 2: Convert to fraction form
    1,208,163.02/1,667,271.17 = 664,333.88/x
  3. Step 3: Cross multiply
    1,208,163.02x = 1,667,271.17 × 664,333.88
  4. Step 4: Simplify right side
    1,208,163.02x = 1,107,624,725,378.24
  5. Step 5: Solve for x
    x = 1,107,624,725,378.24/1,208,163.02
  6. Step 6: Final answer
    x = 916,784.16

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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.