Home / 380,841.93-525,562.29-211,076.19

Finding the Fourth Proportional to 380,841.93, 525,562.29 and 211,076.19

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Solution

The fourth proportional to 380,841.93, 525,562.29 and 211,076.19 is: 291,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,841.93 : 525,562.29 = 211,076.19 : x
  2. Step 2: Convert to fraction form
    380,841.93/525,562.29 = 211,076.19/x
  3. Step 3: Cross multiply
    380,841.93x = 525,562.29 × 211,076.19
  4. Step 4: Simplify right side
    380,841.93x = 110,933,685,780.88
  5. Step 5: Solve for x
    x = 110,933,685,780.88/380,841.93
  6. Step 6: Final answer
    x = 291,285.38

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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.