Home / 525,385.73-788,189.38-170,372.15

Finding the Fourth Proportional to 525,385.73, 788,189.38 and 170,372.15

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Solution

The fourth proportional to 525,385.73, 788,189.38 and 170,372.15 is: 255,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,385.73 : 788,189.38 = 170,372.15 : x
  2. Step 2: Convert to fraction form
    525,385.73/788,189.38 = 170,372.15/x
  3. Step 3: Cross multiply
    525,385.73x = 788,189.38 × 170,372.15
  4. Step 4: Simplify right side
    525,385.73x = 134,285,519,277.77
  5. Step 5: Solve for x
    x = 134,285,519,277.77/525,385.73
  6. Step 6: Final answer
    x = 255,594.15

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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.