Home / 1,778,656.70-2,668,058.88-516,484.34

Finding the Fourth Proportional to 1,778,656.70, 2,668,058.88 and 516,484.34

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Solution

The fourth proportional to 1,778,656.70, 2,668,058.88 and 516,484.34 is: 774,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,656.70 : 2,668,058.88 = 516,484.34 : x
  2. Step 2: Convert to fraction form
    1,778,656.70/2,668,058.88 = 516,484.34/x
  3. Step 3: Cross multiply
    1,778,656.70x = 2,668,058.88 × 516,484.34
  4. Step 4: Simplify right side
    1,778,656.70x = 1,378,010,629,717.94
  5. Step 5: Solve for x
    x = 1,378,010,629,717.94/1,778,656.70
  6. Step 6: Final answer
    x = 774,747.95

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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.