Home / 545,982.07-819,089.75-191,007.67

Finding the Fourth Proportional to 545,982.07, 819,089.75 and 191,007.67

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Solution

The fourth proportional to 545,982.07, 819,089.75 and 191,007.67 is: 286,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,982.07 : 819,089.75 = 191,007.67 : x
  2. Step 2: Convert to fraction form
    545,982.07/819,089.75 = 191,007.67/x
  3. Step 3: Cross multiply
    545,982.07x = 819,089.75 × 191,007.67
  4. Step 4: Simplify right side
    545,982.07x = 156,452,424,668.38
  5. Step 5: Solve for x
    x = 156,452,424,668.38/545,982.07
  6. Step 6: Final answer
    x = 286,552.31

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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.