Home / 1,208,047.52-1,667,106.60-664,192.64

Finding the Fourth Proportional to 1,208,047.52, 1,667,106.60 and 664,192.64

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Solution

The fourth proportional to 1,208,047.52, 1,667,106.60 and 664,192.64 is: 916,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,047.52 : 1,667,106.60 = 664,192.64 : x
  2. Step 2: Convert to fraction form
    1,208,047.52/1,667,106.60 = 664,192.64/x
  3. Step 3: Cross multiply
    1,208,047.52x = 1,667,106.60 × 664,192.64
  4. Step 4: Simplify right side
    1,208,047.52x = 1,107,279,933,815.42
  5. Step 5: Solve for x
    x = 1,107,279,933,815.42/1,208,047.52
  6. Step 6: Final answer
    x = 916,586.41

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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.