Home / 513,623.70-770,435.55-233,140.95

Finding the Fourth Proportional to 513,623.70, 770,435.55 and 233,140.95

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Solution

The fourth proportional to 513,623.70, 770,435.55 and 233,140.95 is: 349,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,623.70 : 770,435.55 = 233,140.95 : x
  2. Step 2: Convert to fraction form
    513,623.70/770,435.55 = 233,140.95/x
  3. Step 3: Cross multiply
    513,623.70x = 770,435.55 × 233,140.95
  4. Step 4: Simplify right side
    513,623.70x = 179,620,076,040.77
  5. Step 5: Solve for x
    x = 179,620,076,040.77/513,623.70
  6. Step 6: Final answer
    x = 349,711.43

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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.