Home / 864,164.40-1,296,246.60-805,115.40

Finding the Fourth Proportional to 864,164.40, 1,296,246.60 and 805,115.40

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Solution

The fourth proportional to 864,164.40, 1,296,246.60 and 805,115.40 is: 1,207,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,164.40 : 1,296,246.60 = 805,115.40 : x
  2. Step 2: Convert to fraction form
    864,164.40/1,296,246.60 = 805,115.40/x
  3. Step 3: Cross multiply
    864,164.40x = 1,296,246.60 × 805,115.40
  4. Step 4: Simplify right side
    864,164.40x = 1,043,628,099,857.64
  5. Step 5: Solve for x
    x = 1,043,628,099,857.64/864,164.40
  6. Step 6: Final answer
    x = 1,207,673.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.