Home / 788,961.40-1,183,442.10-547,516.60

Finding the Fourth Proportional to 788,961.40, 1,183,442.10 and 547,516.60

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Solution

The fourth proportional to 788,961.40, 1,183,442.10 and 547,516.60 is: 821,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,961.40 : 1,183,442.10 = 547,516.60 : x
  2. Step 2: Convert to fraction form
    788,961.40/1,183,442.10 = 547,516.60/x
  3. Step 3: Cross multiply
    788,961.40x = 1,183,442.10 × 547,516.60
  4. Step 4: Simplify right side
    788,961.40x = 647,954,194,888.86
  5. Step 5: Solve for x
    x = 647,954,194,888.86/788,961.40
  6. Step 6: Final answer
    x = 821,274.90

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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.