Home / 719,185.35-1,078,497.56-269,661.27

Finding the Fourth Proportional to 719,185.35, 1,078,497.56 and 269,661.27

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Solution

The fourth proportional to 719,185.35, 1,078,497.56 and 269,661.27 is: 404,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,185.35 : 1,078,497.56 = 269,661.27 : x
  2. Step 2: Convert to fraction form
    719,185.35/1,078,497.56 = 269,661.27/x
  3. Step 3: Cross multiply
    719,185.35x = 1,078,497.56 × 269,661.27
  4. Step 4: Simplify right side
    719,185.35x = 290,829,021,721.50
  5. Step 5: Solve for x
    x = 290,829,021,721.50/719,185.35
  6. Step 6: Final answer
    x = 404,386.74

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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.