Home / 591,619.60-887,515.80-192,192.40

Finding the Fourth Proportional to 591,619.60, 887,515.80 and 192,192.40

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Solution

The fourth proportional to 591,619.60, 887,515.80 and 192,192.40 is: 288,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,619.60 : 887,515.80 = 192,192.40 : x
  2. Step 2: Convert to fraction form
    591,619.60/887,515.80 = 192,192.40/x
  3. Step 3: Cross multiply
    591,619.60x = 887,515.80 × 192,192.40
  4. Step 4: Simplify right side
    591,619.60x = 170,573,791,639.92
  5. Step 5: Solve for x
    x = 170,573,791,639.92/591,619.60
  6. Step 6: Final answer
    x = 288,316.67

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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.