Home / 1,208,926.08-1,668,265.37-665,027.38

Finding the Fourth Proportional to 1,208,926.08, 1,668,265.37 and 665,027.38

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Solution

The fourth proportional to 1,208,926.08, 1,668,265.37 and 665,027.38 is: 917,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,926.08 : 1,668,265.37 = 665,027.38 : x
  2. Step 2: Convert to fraction form
    1,208,926.08/1,668,265.37 = 665,027.38/x
  3. Step 3: Cross multiply
    1,208,926.08x = 1,668,265.37 × 665,027.38
  4. Step 4: Simplify right side
    1,208,926.08x = 1,109,442,149,409.88
  5. Step 5: Solve for x
    x = 1,109,442,149,409.88/1,208,926.08
  6. Step 6: Final answer
    x = 917,708.84

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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.