Home / 857,247.83-1,283,349.26-572,231.43

Finding the Fourth Proportional to 857,247.83, 1,283,349.26 and 572,231.43

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Solution

The fourth proportional to 857,247.83, 1,283,349.26 and 572,231.43 is: 856,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,247.83 : 1,283,349.26 = 572,231.43 : x
  2. Step 2: Convert to fraction form
    857,247.83/1,283,349.26 = 572,231.43/x
  3. Step 3: Cross multiply
    857,247.83x = 1,283,349.26 × 572,231.43
  4. Step 4: Simplify right side
    857,247.83x = 734,372,779,378.09
  5. Step 5: Solve for x
    x = 734,372,779,378.09/857,247.83
  6. Step 6: Final answer
    x = 856,663.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.