Home / 965,181.80-1,447,772.70-255,281.60

Finding the Fourth Proportional to 965,181.80, 1,447,772.70 and 255,281.60

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Solution

The fourth proportional to 965,181.80, 1,447,772.70 and 255,281.60 is: 382,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,181.80 : 1,447,772.70 = 255,281.60 : x
  2. Step 2: Convert to fraction form
    965,181.80/1,447,772.70 = 255,281.60/x
  3. Step 3: Cross multiply
    965,181.80x = 1,447,772.70 × 255,281.60
  4. Step 4: Simplify right side
    965,181.80x = 369,589,731,292.32
  5. Step 5: Solve for x
    x = 369,589,731,292.32/965,181.80
  6. Step 6: Final answer
    x = 382,922.40

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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.