Home / 545,979.39-819,085.72-191,004.99

Finding the Fourth Proportional to 545,979.39, 819,085.72 and 191,004.99

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Solution

The fourth proportional to 545,979.39, 819,085.72 and 191,004.99 is: 286,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,979.39 : 819,085.72 = 191,004.99 : x
  2. Step 2: Convert to fraction form
    545,979.39/819,085.72 = 191,004.99/x
  3. Step 3: Cross multiply
    545,979.39x = 819,085.72 × 191,004.99
  4. Step 4: Simplify right side
    545,979.39x = 156,449,459,757.74
  5. Step 5: Solve for x
    x = 156,449,459,757.74/545,979.39
  6. Step 6: Final answer
    x = 286,548.29

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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.