Home / 1,183,817.67-1,775,742.91-385,103.40

Finding the Fourth Proportional to 1,183,817.67, 1,775,742.91 and 385,103.40

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Solution

The fourth proportional to 1,183,817.67, 1,775,742.91 and 385,103.40 is: 577,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,817.67 : 1,775,742.91 = 385,103.40 : x
  2. Step 2: Convert to fraction form
    1,183,817.67/1,775,742.91 = 385,103.40/x
  3. Step 3: Cross multiply
    1,183,817.67x = 1,775,742.91 × 385,103.40
  4. Step 4: Simplify right side
    1,183,817.67x = 683,844,631,204.14
  5. Step 5: Solve for x
    x = 683,844,631,204.14/1,183,817.67
  6. Step 6: Final answer
    x = 577,660.44

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Double scale
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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.