Home / 1,668,822.71-2,303,020.62-943,778.88

Finding the Fourth Proportional to 1,668,822.71, 2,303,020.62 and 943,778.88

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Solution

The fourth proportional to 1,668,822.71, 2,303,020.62 and 943,778.88 is: 1,302,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,822.71 : 2,303,020.62 = 943,778.88 : x
  2. Step 2: Convert to fraction form
    1,668,822.71/2,303,020.62 = 943,778.88/x
  3. Step 3: Cross multiply
    1,668,822.71x = 2,303,020.62 × 943,778.88
  4. Step 4: Simplify right side
    1,668,822.71x = 2,173,542,221,360.51
  5. Step 5: Solve for x
    x = 2,173,542,221,360.51/1,668,822.71
  6. Step 6: Final answer
    x = 1,302,440.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.