Home / 1,778,859.56-2,668,788.20-714,648.96

Finding the Fourth Proportional to 1,778,859.56, 2,668,788.20 and 714,648.96

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Solution

The fourth proportional to 1,778,859.56, 2,668,788.20 and 714,648.96 is: 1,072,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,859.56 : 2,668,788.20 = 714,648.96 : x
  2. Step 2: Convert to fraction form
    1,778,859.56/2,668,788.20 = 714,648.96/x
  3. Step 3: Cross multiply
    1,778,859.56x = 2,668,788.20 × 714,648.96
  4. Step 4: Simplify right side
    1,778,859.56x = 1,907,246,713,376.89
  5. Step 5: Solve for x
    x = 1,907,246,713,376.89/1,778,859.56
  6. Step 6: Final answer
    x = 1,072,173.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.