Home / 967,210.80-1,450,816.20-257,310.60

Finding the Fourth Proportional to 967,210.80, 1,450,816.20 and 257,310.60

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Solution

The fourth proportional to 967,210.80, 1,450,816.20 and 257,310.60 is: 385,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,210.80 : 1,450,816.20 = 257,310.60 : x
  2. Step 2: Convert to fraction form
    967,210.80/1,450,816.20 = 257,310.60/x
  3. Step 3: Cross multiply
    967,210.80x = 1,450,816.20 × 257,310.60
  4. Step 4: Simplify right side
    967,210.80x = 373,310,386,911.72
  5. Step 5: Solve for x
    x = 373,310,386,911.72/967,210.80
  6. Step 6: Final answer
    x = 385,965.90

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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.