Home / 775,676.24-1,069,995.83-465,499.49

Finding the Fourth Proportional to 775,676.24, 1,069,995.83 and 465,499.49

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Solution

The fourth proportional to 775,676.24, 1,069,995.83 and 465,499.49 is: 642,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,676.24 : 1,069,995.83 = 465,499.49 : x
  2. Step 2: Convert to fraction form
    775,676.24/1,069,995.83 = 465,499.49/x
  3. Step 3: Cross multiply
    775,676.24x = 1,069,995.83 × 465,499.49
  4. Step 4: Simplify right side
    775,676.24x = 498,082,510,839.63
  5. Step 5: Solve for x
    x = 498,082,510,839.63/775,676.24
  6. Step 6: Final answer
    x = 642,126.82

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1.5x scale

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.