Home / 1,668,698.80-2,302,790.44-943,688.86

Finding the Fourth Proportional to 1,668,698.80, 2,302,790.44 and 943,688.86

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Solution

The fourth proportional to 1,668,698.80, 2,302,790.44 and 943,688.86 is: 1,302,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,698.80 : 2,302,790.44 = 943,688.86 : x
  2. Step 2: Convert to fraction form
    1,668,698.80/2,302,790.44 = 943,688.86/x
  3. Step 3: Cross multiply
    1,668,698.80x = 2,302,790.44 × 943,688.86
  4. Step 4: Simplify right side
    1,668,698.80x = 2,173,117,685,142.50
  5. Step 5: Solve for x
    x = 2,173,117,685,142.50/1,668,698.80
  6. Step 6: Final answer
    x = 1,302,282.76

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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.