Home / 825,458.20-1,156,428.80-825,458.20

Finding the Fourth Proportional to 825,458.20, 1,156,428.80 and 825,458.20

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Solution

The fourth proportional to 825,458.20, 1,156,428.80 and 825,458.20 is: 1,156,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,458.20 : 1,156,428.80 = 825,458.20 : x
  2. Step 2: Convert to fraction form
    825,458.20/1,156,428.80 = 825,458.20/x
  3. Step 3: Cross multiply
    825,458.20x = 1,156,428.80 × 825,458.20
  4. Step 4: Simplify right side
    825,458.20x = 954,583,635,676.16
  5. Step 5: Solve for x
    x = 954,583,635,676.16/825,458.20
  6. Step 6: Final answer
    x = 1,156,428.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.