Home / 1,686,055.88-2,326,755.48-911,684.87

Finding the Fourth Proportional to 1,686,055.88, 2,326,755.48 and 911,684.87

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Solution

The fourth proportional to 1,686,055.88, 2,326,755.48 and 911,684.87 is: 1,258,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,055.88 : 2,326,755.48 = 911,684.87 : x
  2. Step 2: Convert to fraction form
    1,686,055.88/2,326,755.48 = 911,684.87/x
  3. Step 3: Cross multiply
    1,686,055.88x = 2,326,755.48 × 911,684.87
  4. Step 4: Simplify right side
    1,686,055.88x = 2,121,267,752,252.99
  5. Step 5: Solve for x
    x = 2,121,267,752,252.99/1,686,055.88
  6. Step 6: Final answer
    x = 1,258,124.23

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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.