Home / 2,760,453.60-4,140,680.40-867,386.40

Finding the Fourth Proportional to 2,760,453.60, 4,140,680.40 and 867,386.40

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Solution

The fourth proportional to 2,760,453.60, 4,140,680.40 and 867,386.40 is: 1,301,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,453.60 : 4,140,680.40 = 867,386.40 : x
  2. Step 2: Convert to fraction form
    2,760,453.60/4,140,680.40 = 867,386.40/x
  3. Step 3: Cross multiply
    2,760,453.60x = 4,140,680.40 × 867,386.40
  4. Step 4: Simplify right side
    2,760,453.60x = 3,591,569,865,706.56
  5. Step 5: Solve for x
    x = 3,591,569,865,706.56/2,760,453.60
  6. Step 6: Final answer
    x = 1,301,079.60

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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.