Home / 536,226.09-739,683.15-321,241.65

Finding the Fourth Proportional to 536,226.09, 739,683.15 and 321,241.65

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Solution

The fourth proportional to 536,226.09, 739,683.15 and 321,241.65 is: 443,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,226.09 : 739,683.15 = 321,241.65 : x
  2. Step 2: Convert to fraction form
    536,226.09/739,683.15 = 321,241.65/x
  3. Step 3: Cross multiply
    536,226.09x = 739,683.15 × 321,241.65
  4. Step 4: Simplify right side
    536,226.09x = 237,617,035,583.20
  5. Step 5: Solve for x
    x = 237,617,035,583.20/536,226.09
  6. Step 6: Final answer
    x = 443,128.45

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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.