Home / 1,227,458.58-1,693,771.23-683,644.87

Finding the Fourth Proportional to 1,227,458.58, 1,693,771.23 and 683,644.87

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Solution

The fourth proportional to 1,227,458.58, 1,693,771.23 and 683,644.87 is: 943,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,458.58 : 1,693,771.23 = 683,644.87 : x
  2. Step 2: Convert to fraction form
    1,227,458.58/1,693,771.23 = 683,644.87/x
  3. Step 3: Cross multiply
    1,227,458.58x = 1,693,771.23 × 683,644.87
  4. Step 4: Simplify right side
    1,227,458.58x = 1,157,938,017,023.97
  5. Step 5: Solve for x
    x = 1,157,938,017,023.97/1,227,458.58
  6. Step 6: Final answer
    x = 943,362.20

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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.