Home / 1,668,550.61-2,503,058.55-515,891.27

Finding the Fourth Proportional to 1,668,550.61, 2,503,058.55 and 515,891.27

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Solution

The fourth proportional to 1,668,550.61, 2,503,058.55 and 515,891.27 is: 773,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,550.61 : 2,503,058.55 = 515,891.27 : x
  2. Step 2: Convert to fraction form
    1,668,550.61/2,503,058.55 = 515,891.27/x
  3. Step 3: Cross multiply
    1,668,550.61x = 2,503,058.55 × 515,891.27
  4. Step 4: Simplify right side
    1,668,550.61x = 1,291,306,059,211.78
  5. Step 5: Solve for x
    x = 1,291,306,059,211.78/1,668,550.61
  6. Step 6: Final answer
    x = 773,908.84

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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.