Home / 810,052.16-1,117,040.80-538,021.44

Finding the Fourth Proportional to 810,052.16, 1,117,040.80 and 538,021.44

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Solution

The fourth proportional to 810,052.16, 1,117,040.80 and 538,021.44 is: 741,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,052.16 : 1,117,040.80 = 538,021.44 : x
  2. Step 2: Convert to fraction form
    810,052.16/1,117,040.80 = 538,021.44/x
  3. Step 3: Cross multiply
    810,052.16x = 1,117,040.80 × 538,021.44
  4. Step 4: Simplify right side
    810,052.16x = 600,991,899,754.75
  5. Step 5: Solve for x
    x = 600,991,899,754.75/810,052.16
  6. Step 6: Final answer
    x = 741,917.53

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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.