Home / 454,136.40-681,204.60-347,848.20

Finding the Fourth Proportional to 454,136.40, 681,204.60 and 347,848.20

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Solution

The fourth proportional to 454,136.40, 681,204.60 and 347,848.20 is: 521,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,136.40 : 681,204.60 = 347,848.20 : x
  2. Step 2: Convert to fraction form
    454,136.40/681,204.60 = 347,848.20/x
  3. Step 3: Cross multiply
    454,136.40x = 681,204.60 × 347,848.20
  4. Step 4: Simplify right side
    454,136.40x = 236,955,793,941.72
  5. Step 5: Solve for x
    x = 236,955,793,941.72/454,136.40
  6. Step 6: Final answer
    x = 521,772.30

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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.