Home / 886,076.10-1,329,114.15-412,809.30

Finding the Fourth Proportional to 886,076.10, 1,329,114.15 and 412,809.30

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Solution

The fourth proportional to 886,076.10, 1,329,114.15 and 412,809.30 is: 619,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,076.10 : 1,329,114.15 = 412,809.30 : x
  2. Step 2: Convert to fraction form
    886,076.10/1,329,114.15 = 412,809.30/x
  3. Step 3: Cross multiply
    886,076.10x = 1,329,114.15 × 412,809.30
  4. Step 4: Simplify right side
    886,076.10x = 548,670,681,881.60
  5. Step 5: Solve for x
    x = 548,670,681,881.60/886,076.10
  6. Step 6: Final answer
    x = 619,213.95

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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.