Home / 775,867.99-1,070,090.65-530,997.91

Finding the Fourth Proportional to 775,867.99, 1,070,090.65 and 530,997.91

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Solution

The fourth proportional to 775,867.99, 1,070,090.65 and 530,997.91 is: 732,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,867.99 : 1,070,090.65 = 530,997.91 : x
  2. Step 2: Convert to fraction form
    775,867.99/1,070,090.65 = 530,997.91/x
  3. Step 3: Cross multiply
    775,867.99x = 1,070,090.65 × 530,997.91
  4. Step 4: Simplify right side
    775,867.99x = 568,215,898,660.54
  5. Step 5: Solve for x
    x = 568,215,898,660.54/775,867.99
  6. Step 6: Final answer
    x = 732,361.57

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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.