Home / 854,464.30-1,281,696.45-412,096.30

Finding the Fourth Proportional to 854,464.30, 1,281,696.45 and 412,096.30

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Solution

The fourth proportional to 854,464.30, 1,281,696.45 and 412,096.30 is: 618,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,464.30 : 1,281,696.45 = 412,096.30 : x
  2. Step 2: Convert to fraction form
    854,464.30/1,281,696.45 = 412,096.30/x
  3. Step 3: Cross multiply
    854,464.30x = 1,281,696.45 × 412,096.30
  4. Step 4: Simplify right side
    854,464.30x = 528,182,364,768.14
  5. Step 5: Solve for x
    x = 528,182,364,768.14/854,464.30
  6. Step 6: Final answer
    x = 618,144.45

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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.