Home / 1,668,815.78-2,303,011.07-943,771.93

Finding the Fourth Proportional to 1,668,815.78, 2,303,011.07 and 943,771.93

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Solution

The fourth proportional to 1,668,815.78, 2,303,011.07 and 943,771.93 is: 1,302,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,815.78 : 2,303,011.07 = 943,771.93 : x
  2. Step 2: Convert to fraction form
    1,668,815.78/2,303,011.07 = 943,771.93/x
  3. Step 3: Cross multiply
    1,668,815.78x = 2,303,011.07 × 943,771.93
  4. Step 4: Simplify right side
    1,668,815.78x = 2,173,517,188,470.78
  5. Step 5: Solve for x
    x = 2,173,517,188,470.78/1,668,815.78
  6. Step 6: Final answer
    x = 1,302,430.87

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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.