Home / 536,560.20-740,291.60-321,621.84

Finding the Fourth Proportional to 536,560.20, 740,291.60 and 321,621.84

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Solution

The fourth proportional to 536,560.20, 740,291.60 and 321,621.84 is: 443,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,560.20 : 740,291.60 = 321,621.84 : x
  2. Step 2: Convert to fraction form
    536,560.20/740,291.60 = 321,621.84/x
  3. Step 3: Cross multiply
    536,560.20x = 740,291.60 × 321,621.84
  4. Step 4: Simplify right side
    536,560.20x = 238,093,947,332.60
  5. Step 5: Solve for x
    x = 238,093,947,332.60/536,560.20
  6. Step 6: Final answer
    x = 443,741.35

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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.