Home / 451,570.20-623,195.70-298,339.59

Finding the Fourth Proportional to 451,570.20, 623,195.70 and 298,339.59

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Solution

The fourth proportional to 451,570.20, 623,195.70 and 298,339.59 is: 411,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,570.20 : 623,195.70 = 298,339.59 : x
  2. Step 2: Convert to fraction form
    451,570.20/623,195.70 = 298,339.59/x
  3. Step 3: Cross multiply
    451,570.20x = 623,195.70 × 298,339.59
  4. Step 4: Simplify right side
    451,570.20x = 185,923,949,627.76
  5. Step 5: Solve for x
    x = 185,923,949,627.76/451,570.20
  6. Step 6: Final answer
    x = 411,727.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.