Home / 545,980.07-819,086.75-191,005.67

Finding the Fourth Proportional to 545,980.07, 819,086.75 and 191,005.67

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Solution

The fourth proportional to 545,980.07, 819,086.75 and 191,005.67 is: 286,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,980.07 : 819,086.75 = 191,005.67 : x
  2. Step 2: Convert to fraction form
    545,980.07/819,086.75 = 191,005.67/x
  3. Step 3: Cross multiply
    545,980.07x = 819,086.75 × 191,005.67
  4. Step 4: Simplify right side
    545,980.07x = 156,450,215,280.83
  5. Step 5: Solve for x
    x = 156,450,215,280.83/545,980.07
  6. Step 6: Final answer
    x = 286,549.31

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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.