Home / 525,530.32-788,172.60-170,453.20

Finding the Fourth Proportional to 525,530.32, 788,172.60 and 170,453.20

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Solution

The fourth proportional to 525,530.32, 788,172.60 and 170,453.20 is: 255,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,530.32 : 788,172.60 = 170,453.20 : x
  2. Step 2: Convert to fraction form
    525,530.32/788,172.60 = 170,453.20/x
  3. Step 3: Cross multiply
    525,530.32x = 788,172.60 × 170,453.20
  4. Step 4: Simplify right side
    525,530.32x = 134,346,541,822.32
  5. Step 5: Solve for x
    x = 134,346,541,822.32/525,530.32
  6. Step 6: Final answer
    x = 255,639.94

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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.