Home / 751,303.70-1,036,797.13-407,149.15

Finding the Fourth Proportional to 751,303.70, 1,036,797.13 and 407,149.15

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Solution

The fourth proportional to 751,303.70, 1,036,797.13 and 407,149.15 is: 561,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303.70 : 1,036,797.13 = 407,149.15 : x
  2. Step 2: Convert to fraction form
    751,303.70/1,036,797.13 = 407,149.15/x
  3. Step 3: Cross multiply
    751,303.70x = 1,036,797.13 × 407,149.15
  4. Step 4: Simplify right side
    751,303.70x = 422,131,070,201.94
  5. Step 5: Solve for x
    x = 422,131,070,201.94/751,303.70
  6. Step 6: Final answer
    x = 561,864.76

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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.