Home / 545,995.01-819,109.16-191,020.61

Finding the Fourth Proportional to 545,995.01, 819,109.16 and 191,020.61

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Solution

The fourth proportional to 545,995.01, 819,109.16 and 191,020.61 is: 286,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,995.01 : 819,109.16 = 191,020.61 : x
  2. Step 2: Convert to fraction form
    545,995.01/819,109.16 = 191,020.61/x
  3. Step 3: Cross multiply
    545,995.01x = 819,109.16 × 191,020.61
  4. Step 4: Simplify right side
    545,995.01x = 156,466,731,399.79
  5. Step 5: Solve for x
    x = 156,466,731,399.79/545,995.01
  6. Step 6: Final answer
    x = 286,571.72

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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.