Home / 899,429.88-1,241,283.78-512,261.62

Finding the Fourth Proportional to 899,429.88, 1,241,283.78 and 512,261.62

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Solution

The fourth proportional to 899,429.88, 1,241,283.78 and 512,261.62 is: 706,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,429.88 : 1,241,283.78 = 512,261.62 : x
  2. Step 2: Convert to fraction form
    899,429.88/1,241,283.78 = 512,261.62/x
  3. Step 3: Cross multiply
    899,429.88x = 1,241,283.78 × 512,261.62
  4. Step 4: Simplify right side
    899,429.88x = 635,862,040,022.52
  5. Step 5: Solve for x
    x = 635,862,040,022.52/899,429.88
  6. Step 6: Final answer
    x = 706,961.21

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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.