Home / 526,656.56-789,984.84-289,877.36

Finding the Fourth Proportional to 526,656.56, 789,984.84 and 289,877.36

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Solution

The fourth proportional to 526,656.56, 789,984.84 and 289,877.36 is: 434,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,656.56 : 789,984.84 = 289,877.36 : x
  2. Step 2: Convert to fraction form
    526,656.56/789,984.84 = 289,877.36/x
  3. Step 3: Cross multiply
    526,656.56x = 789,984.84 × 289,877.36
  4. Step 4: Simplify right side
    526,656.56x = 228,998,719,859.22
  5. Step 5: Solve for x
    x = 228,998,719,859.22/526,656.56
  6. Step 6: Final answer
    x = 434,816.04

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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.