Home / 931,012.02-1,284,797.43-528,604.02

Finding the Fourth Proportional to 931,012.02, 1,284,797.43 and 528,604.02

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Solution

The fourth proportional to 931,012.02, 1,284,797.43 and 528,604.02 is: 729,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,012.02 : 1,284,797.43 = 528,604.02 : x
  2. Step 2: Convert to fraction form
    931,012.02/1,284,797.43 = 528,604.02/x
  3. Step 3: Cross multiply
    931,012.02x = 1,284,797.43 × 528,604.02
  4. Step 4: Simplify right side
    931,012.02x = 679,149,086,383.67
  5. Step 5: Solve for x
    x = 679,149,086,383.67/931,012.02
  6. Step 6: Final answer
    x = 729,474.03

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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.