Home / 591,621.60-887,518.80-192,194.40

Finding the Fourth Proportional to 591,621.60, 887,518.80 and 192,194.40

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Solution

The fourth proportional to 591,621.60, 887,518.80 and 192,194.40 is: 288,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,621.60 : 887,518.80 = 192,194.40 : x
  2. Step 2: Convert to fraction form
    591,621.60/887,518.80 = 192,194.40/x
  3. Step 3: Cross multiply
    591,621.60x = 887,518.80 × 192,194.40
  4. Step 4: Simplify right side
    591,621.60x = 170,576,143,254.72
  5. Step 5: Solve for x
    x = 170,576,143,254.72/591,621.60
  6. Step 6: Final answer
    x = 288,319.67

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1.5x scale

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.