Home / 641,366.55-961,823.03-220,544.55

Finding the Fourth Proportional to 641,366.55, 961,823.03 and 220,544.55

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Solution

The fourth proportional to 641,366.55, 961,823.03 and 220,544.55 is: 330,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,366.55 : 961,823.03 = 220,544.55 : x
  2. Step 2: Convert to fraction form
    641,366.55/961,823.03 = 220,544.55/x
  3. Step 3: Cross multiply
    641,366.55x = 961,823.03 × 220,544.55
  4. Step 4: Simplify right side
    641,366.55x = 212,124,826,228.26
  5. Step 5: Solve for x
    x = 212,124,826,228.26/641,366.55
  6. Step 6: Final answer
    x = 330,738.84

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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.