Home / 977,288.70-1,465,884.45-504,021.90

Finding the Fourth Proportional to 977,288.70, 1,465,884.45 and 504,021.90

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Solution

The fourth proportional to 977,288.70, 1,465,884.45 and 504,021.90 is: 756,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,288.70 : 1,465,884.45 = 504,021.90 : x
  2. Step 2: Convert to fraction form
    977,288.70/1,465,884.45 = 504,021.90/x
  3. Step 3: Cross multiply
    977,288.70x = 1,465,884.45 × 504,021.90
  4. Step 4: Simplify right side
    977,288.70x = 738,837,865,669.46
  5. Step 5: Solve for x
    x = 738,837,865,669.46/977,288.70
  6. Step 6: Final answer
    x = 756,007.79

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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.