Home / 775,586.88-1,070,599.68-453,400.20

Finding the Fourth Proportional to 775,586.88, 1,070,599.68 and 453,400.20

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Solution

The fourth proportional to 775,586.88, 1,070,599.68 and 453,400.20 is: 625,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,586.88 : 1,070,599.68 = 453,400.20 : x
  2. Step 2: Convert to fraction form
    775,586.88/1,070,599.68 = 453,400.20/x
  3. Step 3: Cross multiply
    775,586.88x = 1,070,599.68 × 453,400.20
  4. Step 4: Simplify right side
    775,586.88x = 485,410,109,031.94
  5. Step 5: Solve for x
    x = 485,410,109,031.94/775,586.88
  6. Step 6: Final answer
    x = 625,861.68

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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.