Home / 525,949.20-788,923.80-170,999.10

Finding the Fourth Proportional to 525,949.20, 788,923.80 and 170,999.10

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Solution

The fourth proportional to 525,949.20, 788,923.80 and 170,999.10 is: 256,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,949.20 : 788,923.80 = 170,999.10 : x
  2. Step 2: Convert to fraction form
    525,949.20/788,923.80 = 170,999.10/x
  3. Step 3: Cross multiply
    525,949.20x = 788,923.80 × 170,999.10
  4. Step 4: Simplify right side
    525,949.20x = 134,905,259,768.58
  5. Step 5: Solve for x
    x = 134,905,259,768.58/525,949.20
  6. Step 6: Final answer
    x = 256,498.65

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Half scale
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Double scale
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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.