Home / 1,219,855.62-1,683,404.70-676,000.36

Finding the Fourth Proportional to 1,219,855.62, 1,683,404.70 and 676,000.36

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Solution

The fourth proportional to 1,219,855.62, 1,683,404.70 and 676,000.36 is: 932,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,855.62 : 1,683,404.70 = 676,000.36 : x
  2. Step 2: Convert to fraction form
    1,219,855.62/1,683,404.70 = 676,000.36/x
  3. Step 3: Cross multiply
    1,219,855.62x = 1,683,404.70 × 676,000.36
  4. Step 4: Simplify right side
    1,219,855.62x = 1,137,982,183,225.69
  5. Step 5: Solve for x
    x = 1,137,982,183,225.69/1,219,855.62
  6. Step 6: Final answer
    x = 932,882.68

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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.