Home / 721,037.43-1,080,610.07-530,606.43

Finding the Fourth Proportional to 721,037.43, 1,080,610.07 and 530,606.43

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Solution

The fourth proportional to 721,037.43, 1,080,610.07 and 530,606.43 is: 795,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,037.43 : 1,080,610.07 = 530,606.43 : x
  2. Step 2: Convert to fraction form
    721,037.43/1,080,610.07 = 530,606.43/x
  3. Step 3: Cross multiply
    721,037.43x = 1,080,610.07 × 530,606.43
  4. Step 4: Simplify right side
    721,037.43x = 573,378,648,811.72
  5. Step 5: Solve for x
    x = 573,378,648,811.72/721,037.43
  6. Step 6: Final answer
    x = 795,213.43

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1.5x scale

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.