Home / 382,780.98-528,233.40-210,695.27

Finding the Fourth Proportional to 382,780.98, 528,233.40 and 210,695.27

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Solution

The fourth proportional to 382,780.98, 528,233.40 and 210,695.27 is: 290,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,780.98 : 528,233.40 = 210,695.27 : x
  2. Step 2: Convert to fraction form
    382,780.98/528,233.40 = 210,695.27/x
  3. Step 3: Cross multiply
    382,780.98x = 528,233.40 × 210,695.27
  4. Step 4: Simplify right side
    382,780.98x = 111,296,276,194.85
  5. Step 5: Solve for x
    x = 111,296,276,194.85/382,780.98
  6. Step 6: Final answer
    x = 290,757.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.