Home / 415,986.83-569,899.23-400,431.37

Finding the Fourth Proportional to 415,986.83, 569,899.23 and 400,431.37

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Solution

The fourth proportional to 415,986.83, 569,899.23 and 400,431.37 is: 548,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,986.83 : 569,899.23 = 400,431.37 : x
  2. Step 2: Convert to fraction form
    415,986.83/569,899.23 = 400,431.37/x
  3. Step 3: Cross multiply
    415,986.83x = 569,899.23 × 400,431.37
  4. Step 4: Simplify right side
    415,986.83x = 228,205,529,007.18
  5. Step 5: Solve for x
    x = 228,205,529,007.18/415,986.83
  6. Step 6: Final answer
    x = 548,588.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.