Home / 752,189.84-1,128,322.38-246,706.10

Finding the Fourth Proportional to 752,189.84, 1,128,322.38 and 246,706.10

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Solution

The fourth proportional to 752,189.84, 1,128,322.38 and 246,706.10 is: 370,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,189.84 : 1,128,322.38 = 246,706.10 : x
  2. Step 2: Convert to fraction form
    752,189.84/1,128,322.38 = 246,706.10/x
  3. Step 3: Cross multiply
    752,189.84x = 1,128,322.38 × 246,706.10
  4. Step 4: Simplify right side
    752,189.84x = 278,364,013,912.52
  5. Step 5: Solve for x
    x = 278,364,013,912.52/752,189.84
  6. Step 6: Final answer
    x = 370,071.49

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Double scale
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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.