Home / 1,685,985.56-2,326,655.07-911,610.89

Finding the Fourth Proportional to 1,685,985.56, 2,326,655.07 and 911,610.89

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Solution

The fourth proportional to 1,685,985.56, 2,326,655.07 and 911,610.89 is: 1,258,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,985.56 : 2,326,655.07 = 911,610.89 : x
  2. Step 2: Convert to fraction form
    1,685,985.56/2,326,655.07 = 911,610.89/x
  3. Step 3: Cross multiply
    1,685,985.56x = 2,326,655.07 × 911,610.89
  4. Step 4: Simplify right side
    1,685,985.56x = 2,121,004,099,085.71
  5. Step 5: Solve for x
    x = 2,121,004,099,085.71/1,685,985.56
  6. Step 6: Final answer
    x = 1,258,020.32

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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.