Home / 1,177,731.62-1,766,606.32-644,962.02

Finding the Fourth Proportional to 1,177,731.62, 1,766,606.32 and 644,962.02

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Solution

The fourth proportional to 1,177,731.62, 1,766,606.32 and 644,962.02 is: 967,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,731.62 : 1,766,606.32 = 644,962.02 : x
  2. Step 2: Convert to fraction form
    1,177,731.62/1,766,606.32 = 644,962.02/x
  3. Step 3: Cross multiply
    1,177,731.62x = 1,766,606.32 × 644,962.02
  4. Step 4: Simplify right side
    1,177,731.62x = 1,139,393,977,121.01
  5. Step 5: Solve for x
    x = 1,139,393,977,121.01/1,177,731.62
  6. Step 6: Final answer
    x = 967,447.89

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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.