Home / 513,554.34-770,180.91-193,475.25

Finding the Fourth Proportional to 513,554.34, 770,180.91 and 193,475.25

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Solution

The fourth proportional to 513,554.34, 770,180.91 and 193,475.25 is: 290,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,554.34 : 770,180.91 = 193,475.25 : x
  2. Step 2: Convert to fraction form
    513,554.34/770,180.91 = 193,475.25/x
  3. Step 3: Cross multiply
    513,554.34x = 770,180.91 × 193,475.25
  4. Step 4: Simplify right side
    513,554.34x = 149,010,943,381.95
  5. Step 5: Solve for x
    x = 149,010,943,381.95/513,554.34
  6. Step 6: Final answer
    x = 290,156.13

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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.