Home / 776,576.70-1,165,031.37-439,776.54

Finding the Fourth Proportional to 776,576.70, 1,165,031.37 and 439,776.54

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Solution

The fourth proportional to 776,576.70, 1,165,031.37 and 439,776.54 is: 659,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,576.70 : 1,165,031.37 = 439,776.54 : x
  2. Step 2: Convert to fraction form
    776,576.70/1,165,031.37 = 439,776.54/x
  3. Step 3: Cross multiply
    776,576.70x = 1,165,031.37 × 439,776.54
  4. Step 4: Simplify right side
    776,576.70x = 512,353,464,890.06
  5. Step 5: Solve for x
    x = 512,353,464,890.06/776,576.70
  6. Step 6: Final answer
    x = 659,759.00

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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.