Home / 434,516.20-651,774.30-379,220.20

Finding the Fourth Proportional to 434,516.20, 651,774.30 and 379,220.20

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Solution

The fourth proportional to 434,516.20, 651,774.30 and 379,220.20 is: 568,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,516.20 : 651,774.30 = 379,220.20 : x
  2. Step 2: Convert to fraction form
    434,516.20/651,774.30 = 379,220.20/x
  3. Step 3: Cross multiply
    434,516.20x = 651,774.30 × 379,220.20
  4. Step 4: Simplify right side
    434,516.20x = 247,165,980,400.86
  5. Step 5: Solve for x
    x = 247,165,980,400.86/434,516.20
  6. Step 6: Final answer
    x = 568,830.30

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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.