Home / 1,768,668.39-2,440,458.25-994,191.89

Finding the Fourth Proportional to 1,768,668.39, 2,440,458.25 and 994,191.89

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Solution

The fourth proportional to 1,768,668.39, 2,440,458.25 and 994,191.89 is: 1,371,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,668.39 : 2,440,458.25 = 994,191.89 : x
  2. Step 2: Convert to fraction form
    1,768,668.39/2,440,458.25 = 994,191.89/x
  3. Step 3: Cross multiply
    1,768,668.39x = 2,440,458.25 × 994,191.89
  4. Step 4: Simplify right side
    1,768,668.39x = 2,426,283,785,345.82
  5. Step 5: Solve for x
    x = 2,426,283,785,345.82/1,768,668.39
  6. Step 6: Final answer
    x = 1,371,813.85

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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.