Home / 513,899.34-770,583.36-225,592.98

Finding the Fourth Proportional to 513,899.34, 770,583.36 and 225,592.98

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Solution

The fourth proportional to 513,899.34, 770,583.36 and 225,592.98 is: 338,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,899.34 : 770,583.36 = 225,592.98 : x
  2. Step 2: Convert to fraction form
    513,899.34/770,583.36 = 225,592.98/x
  3. Step 3: Cross multiply
    513,899.34x = 770,583.36 × 225,592.98
  4. Step 4: Simplify right side
    513,899.34x = 173,838,196,520.81
  5. Step 5: Solve for x
    x = 173,838,196,520.81/513,899.34
  6. Step 6: Final answer
    x = 338,272.85

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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.