Home / 1,634,358.72-2,451,538.08-512,515.20

Finding the Fourth Proportional to 1,634,358.72, 2,451,538.08 and 512,515.20

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Solution

The fourth proportional to 1,634,358.72, 2,451,538.08 and 512,515.20 is: 768,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,358.72 : 2,451,538.08 = 512,515.20 : x
  2. Step 2: Convert to fraction form
    1,634,358.72/2,451,538.08 = 512,515.20/x
  3. Step 3: Cross multiply
    1,634,358.72x = 2,451,538.08 × 512,515.20
  4. Step 4: Simplify right side
    1,634,358.72x = 1,256,450,529,378.82
  5. Step 5: Solve for x
    x = 1,256,450,529,378.82/1,634,358.72
  6. Step 6: Final answer
    x = 768,772.80

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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.