Home / 1,008,099.30-1,512,148.95-447,133.80

Finding the Fourth Proportional to 1,008,099.30, 1,512,148.95 and 447,133.80

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Solution

The fourth proportional to 1,008,099.30, 1,512,148.95 and 447,133.80 is: 670,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,099.30 : 1,512,148.95 = 447,133.80 : x
  2. Step 2: Convert to fraction form
    1,008,099.30/1,512,148.95 = 447,133.80/x
  3. Step 3: Cross multiply
    1,008,099.30x = 1,512,148.95 × 447,133.80
  4. Step 4: Simplify right side
    1,008,099.30x = 676,132,906,179.51
  5. Step 5: Solve for x
    x = 676,132,906,179.51/1,008,099.30
  6. Step 6: Final answer
    x = 670,700.70

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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.