Home / 434,764.20-651,927.60-257,325.60

Finding the Fourth Proportional to 434,764.20, 651,927.60 and 257,325.60

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Solution

The fourth proportional to 434,764.20, 651,927.60 and 257,325.60 is: 385,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,764.20 : 651,927.60 = 257,325.60 : x
  2. Step 2: Convert to fraction form
    434,764.20/651,927.60 = 257,325.60/x
  3. Step 3: Cross multiply
    434,764.20x = 651,927.60 × 257,325.60
  4. Step 4: Simplify right side
    434,764.20x = 167,757,660,826.56
  5. Step 5: Solve for x
    x = 167,757,660,826.56/434,764.20
  6. Step 6: Final answer
    x = 385,858.96

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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.