Home / 1,072,907.55-1,479,996.45-669,799.71

Finding the Fourth Proportional to 1,072,907.55, 1,479,996.45 and 669,799.71

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Solution

The fourth proportional to 1,072,907.55, 1,479,996.45 and 669,799.71 is: 923,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,907.55 : 1,479,996.45 = 669,799.71 : x
  2. Step 2: Convert to fraction form
    1,072,907.55/1,479,996.45 = 669,799.71/x
  3. Step 3: Cross multiply
    1,072,907.55x = 1,479,996.45 × 669,799.71
  4. Step 4: Simplify right side
    1,072,907.55x = 991,301,193,011.03
  5. Step 5: Solve for x
    x = 991,301,193,011.03/1,072,907.55
  6. Step 6: Final answer
    x = 923,939.06

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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.