Home / 1,778,659.83-2,668,063.52-516,487.46

Finding the Fourth Proportional to 1,778,659.83, 2,668,063.52 and 516,487.46

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Solution

The fourth proportional to 1,778,659.83, 2,668,063.52 and 516,487.46 is: 774,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,659.83 : 2,668,063.52 = 516,487.46 : x
  2. Step 2: Convert to fraction form
    1,778,659.83/2,668,063.52 = 516,487.46/x
  3. Step 3: Cross multiply
    1,778,659.83x = 2,668,063.52 × 516,487.46
  4. Step 4: Simplify right side
    1,778,659.83x = 1,378,021,338,514.36
  5. Step 5: Solve for x
    x = 1,378,021,338,514.36/1,778,659.83
  6. Step 6: Final answer
    x = 774,752.61

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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.