Home / 411,350.40-617,025.60-190,166.40

Finding the Fourth Proportional to 411,350.40, 617,025.60 and 190,166.40

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Solution

The fourth proportional to 411,350.40, 617,025.60 and 190,166.40 is: 285,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,350.40 : 617,025.60 = 190,166.40 : x
  2. Step 2: Convert to fraction form
    411,350.40/617,025.60 = 190,166.40/x
  3. Step 3: Cross multiply
    411,350.40x = 617,025.60 × 190,166.40
  4. Step 4: Simplify right side
    411,350.40x = 117,337,537,059.84
  5. Step 5: Solve for x
    x = 117,337,537,059.84/411,350.40
  6. Step 6: Final answer
    x = 285,249.60

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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.