Home / 1,685,986.06-2,326,655.76-911,611.39

Finding the Fourth Proportional to 1,685,986.06, 2,326,655.76 and 911,611.39

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Solution

The fourth proportional to 1,685,986.06, 2,326,655.76 and 911,611.39 is: 1,258,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,986.06 : 2,326,655.76 = 911,611.39 : x
  2. Step 2: Convert to fraction form
    1,685,986.06/2,326,655.76 = 911,611.39/x
  3. Step 3: Cross multiply
    1,685,986.06x = 2,326,655.76 × 911,611.39
  4. Step 4: Simplify right side
    1,685,986.06x = 2,121,005,891,425.11
  5. Step 5: Solve for x
    x = 2,121,005,891,425.11/1,685,986.06
  6. Step 6: Final answer
    x = 1,258,021.01

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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.