Home / 775,709.46-1,070,520.30-453,608.10

Finding the Fourth Proportional to 775,709.46, 1,070,520.30 and 453,608.10

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Solution

The fourth proportional to 775,709.46, 1,070,520.30 and 453,608.10 is: 626,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,709.46 : 1,070,520.30 = 453,608.10 : x
  2. Step 2: Convert to fraction form
    775,709.46/1,070,520.30 = 453,608.10/x
  3. Step 3: Cross multiply
    775,709.46x = 1,070,520.30 × 453,608.10
  4. Step 4: Simplify right side
    775,709.46x = 485,596,679,294.43
  5. Step 5: Solve for x
    x = 485,596,679,294.43/775,709.46
  6. Step 6: Final answer
    x = 626,003.30

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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.