Home / 525,904.20-788,856.30-170,954.10

Finding the Fourth Proportional to 525,904.20, 788,856.30 and 170,954.10

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Solution

The fourth proportional to 525,904.20, 788,856.30 and 170,954.10 is: 256,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,904.20 : 788,856.30 = 170,954.10 : x
  2. Step 2: Convert to fraction form
    525,904.20/788,856.30 = 170,954.10/x
  3. Step 3: Cross multiply
    525,904.20x = 788,856.30 × 170,954.10
  4. Step 4: Simplify right side
    525,904.20x = 134,858,218,795.83
  5. Step 5: Solve for x
    x = 134,858,218,795.83/525,904.20
  6. Step 6: Final answer
    x = 256,431.15

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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.