Home / 545,979.51-819,085.91-191,005.11

Finding the Fourth Proportional to 545,979.51, 819,085.91 and 191,005.11

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Solution

The fourth proportional to 545,979.51, 819,085.91 and 191,005.11 is: 286,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,979.51 : 819,085.91 = 191,005.11 : x
  2. Step 2: Convert to fraction form
    545,979.51/819,085.91 = 191,005.11/x
  3. Step 3: Cross multiply
    545,979.51x = 819,085.91 × 191,005.11
  4. Step 4: Simplify right side
    545,979.51x = 156,449,593,383.98
  5. Step 5: Solve for x
    x = 156,449,593,383.98/545,979.51
  6. Step 6: Final answer
    x = 286,548.47

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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.