Home / 995,890.78-1,374,322.80-566,171.02

Finding the Fourth Proportional to 995,890.78, 1,374,322.80 and 566,171.02

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Solution

The fourth proportional to 995,890.78, 1,374,322.80 and 566,171.02 is: 781,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,890.78 : 1,374,322.80 = 566,171.02 : x
  2. Step 2: Convert to fraction form
    995,890.78/1,374,322.80 = 566,171.02/x
  3. Step 3: Cross multiply
    995,890.78x = 1,374,322.80 × 566,171.02
  4. Step 4: Simplify right side
    995,890.78x = 778,101,741,485.26
  5. Step 5: Solve for x
    x = 778,101,741,485.26/995,890.78
  6. Step 6: Final answer
    x = 781,312.33

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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.