Home / 1,778,657.70-2,668,060.38-516,485.34

Finding the Fourth Proportional to 1,778,657.70, 2,668,060.38 and 516,485.34

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Solution

The fourth proportional to 1,778,657.70, 2,668,060.38 and 516,485.34 is: 774,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,657.70 : 2,668,060.38 = 516,485.34 : x
  2. Step 2: Convert to fraction form
    1,778,657.70/2,668,060.38 = 516,485.34/x
  3. Step 3: Cross multiply
    1,778,657.70x = 2,668,060.38 × 516,485.34
  4. Step 4: Simplify right side
    1,778,657.70x = 1,378,014,072,504.83
  5. Step 5: Solve for x
    x = 1,378,014,072,504.83/1,778,657.70
  6. Step 6: Final answer
    x = 774,749.45

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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.