Home / 857,125.89-1,285,699.77-590,814.90

Finding the Fourth Proportional to 857,125.89, 1,285,699.77 and 590,814.90

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Solution

The fourth proportional to 857,125.89, 1,285,699.77 and 590,814.90 is: 886,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,125.89 : 1,285,699.77 = 590,814.90 : x
  2. Step 2: Convert to fraction form
    857,125.89/1,285,699.77 = 590,814.90/x
  3. Step 3: Cross multiply
    857,125.89x = 1,285,699.77 × 590,814.90
  4. Step 4: Simplify right side
    857,125.89x = 759,610,581,042.57
  5. Step 5: Solve for x
    x = 759,610,581,042.57/857,125.89
  6. Step 6: Final answer
    x = 886,229.89

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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.