Home / 1,208,649.69-1,668,227.76-692,705.97

Finding the Fourth Proportional to 1,208,649.69, 1,668,227.76 and 692,705.97

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Solution

The fourth proportional to 1,208,649.69, 1,668,227.76 and 692,705.97 is: 956,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,649.69 : 1,668,227.76 = 692,705.97 : x
  2. Step 2: Convert to fraction form
    1,208,649.69/1,668,227.76 = 692,705.97/x
  3. Step 3: Cross multiply
    1,208,649.69x = 1,668,227.76 × 692,705.97
  4. Step 4: Simplify right side
    1,208,649.69x = 1,155,591,328,671.73
  5. Step 5: Solve for x
    x = 1,155,591,328,671.73/1,208,649.69
  6. Step 6: Final answer
    x = 956,101.13

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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.