Home / 931,297.66-1,395,778.37-398,192.92

Finding the Fourth Proportional to 931,297.66, 1,395,778.37 and 398,192.92

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Solution

The fourth proportional to 931,297.66, 1,395,778.37 and 398,192.92 is: 596,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,297.66 : 1,395,778.37 = 398,192.92 : x
  2. Step 2: Convert to fraction form
    931,297.66/1,395,778.37 = 398,192.92/x
  3. Step 3: Cross multiply
    931,297.66x = 1,395,778.37 × 398,192.92
  4. Step 4: Simplify right side
    931,297.66x = 555,789,059,342.73
  5. Step 5: Solve for x
    x = 555,789,059,342.73/931,297.66
  6. Step 6: Final answer
    x = 596,789.93

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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.