Home / 1,208,695.82-1,668,237.07-692,795.43

Finding the Fourth Proportional to 1,208,695.82, 1,668,237.07 and 692,795.43

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Solution

The fourth proportional to 1,208,695.82, 1,668,237.07 and 692,795.43 is: 956,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,695.82 : 1,668,237.07 = 692,795.43 : x
  2. Step 2: Convert to fraction form
    1,208,695.82/1,668,237.07 = 692,795.43/x
  3. Step 3: Cross multiply
    1,208,695.82x = 1,668,237.07 × 692,795.43
  4. Step 4: Simplify right side
    1,208,695.82x = 1,155,747,017,819.59
  5. Step 5: Solve for x
    x = 1,155,747,017,819.59/1,208,695.82
  6. Step 6: Final answer
    x = 956,193.44

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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.