Home / 1,476,214.20-2,214,321.30-411,420.60

Finding the Fourth Proportional to 1,476,214.20, 2,214,321.30 and 411,420.60

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Solution

The fourth proportional to 1,476,214.20, 2,214,321.30 and 411,420.60 is: 617,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,214.20 : 2,214,321.30 = 411,420.60 : x
  2. Step 2: Convert to fraction form
    1,476,214.20/2,214,321.30 = 411,420.60/x
  3. Step 3: Cross multiply
    1,476,214.20x = 2,214,321.30 × 411,420.60
  4. Step 4: Simplify right side
    1,476,214.20x = 911,017,397,838.78
  5. Step 5: Solve for x
    x = 911,017,397,838.78/1,476,214.20
  6. Step 6: Final answer
    x = 617,130.90

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Double scale
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Similar ratio
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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.