Home / 719,390.44-1,078,983.33-293,112.28

Finding the Fourth Proportional to 719,390.44, 1,078,983.33 and 293,112.28

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Solution

The fourth proportional to 719,390.44, 1,078,983.33 and 293,112.28 is: 439,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,390.44 : 1,078,983.33 = 293,112.28 : x
  2. Step 2: Convert to fraction form
    719,390.44/1,078,983.33 = 293,112.28/x
  3. Step 3: Cross multiply
    719,390.44x = 1,078,983.33 × 293,112.28
  4. Step 4: Simplify right side
    719,390.44x = 316,263,263,938.29
  5. Step 5: Solve for x
    x = 316,263,263,938.29/719,390.44
  6. Step 6: Final answer
    x = 439,626.73

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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.