Home / 979,599.75-1,469,399.63-348,515.39

Finding the Fourth Proportional to 979,599.75, 1,469,399.63 and 348,515.39

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Solution

The fourth proportional to 979,599.75, 1,469,399.63 and 348,515.39 is: 522,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,599.75 : 1,469,399.63 = 348,515.39 : x
  2. Step 2: Convert to fraction form
    979,599.75/1,469,399.63 = 348,515.39/x
  3. Step 3: Cross multiply
    979,599.75x = 1,469,399.63 × 348,515.39
  4. Step 4: Simplify right side
    979,599.75x = 512,108,376,025.73
  5. Step 5: Solve for x
    x = 512,108,376,025.73/979,599.75
  6. Step 6: Final answer
    x = 522,773.08

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Half scale
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Double scale
Find fourth proportional to 979,600.75, 1,469,401.13 and 348,516.39
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.