Home / 943,630.80-1,413,372.60-838,568.40

Finding the Fourth Proportional to 943,630.80, 1,413,372.60 and 838,568.40

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Solution

The fourth proportional to 943,630.80, 1,413,372.60 and 838,568.40 is: 1,256,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,630.80 : 1,413,372.60 = 838,568.40 : x
  2. Step 2: Convert to fraction form
    943,630.80/1,413,372.60 = 838,568.40/x
  3. Step 3: Cross multiply
    943,630.80x = 1,413,372.60 × 838,568.40
  4. Step 4: Simplify right side
    943,630.80x = 1,185,209,599,785.84
  5. Step 5: Solve for x
    x = 1,185,209,599,785.84/943,630.80
  6. Step 6: Final answer
    x = 1,256,009.87

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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.