Home / 513,624.20-770,436.30-233,141.45

Finding the Fourth Proportional to 513,624.20, 770,436.30 and 233,141.45

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Solution

The fourth proportional to 513,624.20, 770,436.30 and 233,141.45 is: 349,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,624.20 : 770,436.30 = 233,141.45 : x
  2. Step 2: Convert to fraction form
    513,624.20/770,436.30 = 233,141.45/x
  3. Step 3: Cross multiply
    513,624.20x = 770,436.30 × 233,141.45
  4. Step 4: Simplify right side
    513,624.20x = 179,620,636,114.64
  5. Step 5: Solve for x
    x = 179,620,636,114.64/513,624.20
  6. Step 6: Final answer
    x = 349,712.18

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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.