Home / 513,623.47-770,540.28-176,620.35

Finding the Fourth Proportional to 513,623.47, 770,540.28 and 176,620.35

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Solution

The fourth proportional to 513,623.47, 770,540.28 and 176,620.35 is: 264,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,623.47 : 770,540.28 = 176,620.35 : x
  2. Step 2: Convert to fraction form
    513,623.47/770,540.28 = 176,620.35/x
  3. Step 3: Cross multiply
    513,623.47x = 770,540.28 × 176,620.35
  4. Step 4: Simplify right side
    513,623.47x = 136,093,093,942.70
  5. Step 5: Solve for x
    x = 136,093,093,942.70/513,623.47
  6. Step 6: Final answer
    x = 264,966.66

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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.