Home / 1,668,815.39-2,303,010.53-943,771.53

Finding the Fourth Proportional to 1,668,815.39, 2,303,010.53 and 943,771.53

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Solution

The fourth proportional to 1,668,815.39, 2,303,010.53 and 943,771.53 is: 1,302,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,815.39 : 2,303,010.53 = 943,771.53 : x
  2. Step 2: Convert to fraction form
    1,668,815.39/2,303,010.53 = 943,771.53/x
  3. Step 3: Cross multiply
    1,668,815.39x = 2,303,010.53 × 943,771.53
  4. Step 4: Simplify right side
    1,668,815.39x = 2,173,515,778,960.79
  5. Step 5: Solve for x
    x = 2,173,515,778,960.79/1,668,815.39
  6. Step 6: Final answer
    x = 1,302,430.33

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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.