Home / 1,295,668.44-1,788,102.54-714,888.72

Finding the Fourth Proportional to 1,295,668.44, 1,788,102.54 and 714,888.72

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Solution

The fourth proportional to 1,295,668.44, 1,788,102.54 and 714,888.72 is: 986,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,668.44 : 1,788,102.54 = 714,888.72 : x
  2. Step 2: Convert to fraction form
    1,295,668.44/1,788,102.54 = 714,888.72/x
  3. Step 3: Cross multiply
    1,295,668.44x = 1,788,102.54 × 714,888.72
  4. Step 4: Simplify right side
    1,295,668.44x = 1,278,294,336,049.35
  5. Step 5: Solve for x
    x = 1,278,294,336,049.35/1,295,668.44
  6. Step 6: Final answer
    x = 986,590.63

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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.