Home / 985,284.30-1,477,926.45-512,892.30

Finding the Fourth Proportional to 985,284.30, 1,477,926.45 and 512,892.30

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Solution

The fourth proportional to 985,284.30, 1,477,926.45 and 512,892.30 is: 769,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,284.30 : 1,477,926.45 = 512,892.30 : x
  2. Step 2: Convert to fraction form
    985,284.30/1,477,926.45 = 512,892.30/x
  3. Step 3: Cross multiply
    985,284.30x = 1,477,926.45 × 512,892.30
  4. Step 4: Simplify right side
    985,284.30x = 758,017,096,171.34
  5. Step 5: Solve for x
    x = 758,017,096,171.34/985,284.30
  6. Step 6: Final answer
    x = 769,338.45

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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.