Home / 525,821.60-788,732.40-170,847.20

Finding the Fourth Proportional to 525,821.60, 788,732.40 and 170,847.20

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Solution

The fourth proportional to 525,821.60, 788,732.40 and 170,847.20 is: 256,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,821.60 : 788,732.40 = 170,847.20 : x
  2. Step 2: Convert to fraction form
    525,821.60/788,732.40 = 170,847.20/x
  3. Step 3: Cross multiply
    525,821.60x = 788,732.40 × 170,847.20
  4. Step 4: Simplify right side
    525,821.60x = 134,752,722,089.28
  5. Step 5: Solve for x
    x = 134,752,722,089.28/525,821.60
  6. Step 6: Final answer
    x = 256,270.80

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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.