Home / 719,197.47-1,078,515.54-269,673.12

Finding the Fourth Proportional to 719,197.47, 1,078,515.54 and 269,673.12

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Solution

The fourth proportional to 719,197.47, 1,078,515.54 and 269,673.12 is: 404,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,197.47 : 1,078,515.54 = 269,673.12 : x
  2. Step 2: Convert to fraction form
    719,197.47/1,078,515.54 = 269,673.12/x
  3. Step 3: Cross multiply
    719,197.47x = 1,078,515.54 × 269,673.12
  4. Step 4: Simplify right side
    719,197.47x = 290,846,650,640.29
  5. Step 5: Solve for x
    x = 290,846,650,640.29/719,197.47
  6. Step 6: Final answer
    x = 404,404.44

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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.