Home / 1,007,445.33-1,511,166.33-690,942.69

Finding the Fourth Proportional to 1,007,445.33, 1,511,166.33 and 690,942.69

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Solution

The fourth proportional to 1,007,445.33, 1,511,166.33 and 690,942.69 is: 1,036,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,445.33 : 1,511,166.33 = 690,942.69 : x
  2. Step 2: Convert to fraction form
    1,007,445.33/1,511,166.33 = 690,942.69/x
  3. Step 3: Cross multiply
    1,007,445.33x = 1,511,166.33 × 690,942.69
  4. Step 4: Simplify right side
    1,007,445.33x = 1,044,129,329,087.63
  5. Step 5: Solve for x
    x = 1,044,129,329,087.63/1,007,445.33
  6. Step 6: Final answer
    x = 1,036,412.89

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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.