Home / 1,201,205.58-1,657,499.76-717,667.98

Finding the Fourth Proportional to 1,201,205.58, 1,657,499.76 and 717,667.98

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Solution

The fourth proportional to 1,201,205.58, 1,657,499.76 and 717,667.98 is: 990,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,205.58 : 1,657,499.76 = 717,667.98 : x
  2. Step 2: Convert to fraction form
    1,201,205.58/1,657,499.76 = 717,667.98/x
  3. Step 3: Cross multiply
    1,201,205.58x = 1,657,499.76 × 717,667.98
  4. Step 4: Simplify right side
    1,201,205.58x = 1,189,534,504,609.68
  5. Step 5: Solve for x
    x = 1,189,534,504,609.68/1,201,205.58
  6. Step 6: Final answer
    x = 990,283.87

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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.