Home / 1,096,120.40-1,644,180.60-1,012,139.60

Finding the Fourth Proportional to 1,096,120.40, 1,644,180.60 and 1,012,139.60

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Solution

The fourth proportional to 1,096,120.40, 1,644,180.60 and 1,012,139.60 is: 1,518,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,120.40 : 1,644,180.60 = 1,012,139.60 : x
  2. Step 2: Convert to fraction form
    1,096,120.40/1,644,180.60 = 1,012,139.60/x
  3. Step 3: Cross multiply
    1,096,120.40x = 1,644,180.60 × 1,012,139.60
  4. Step 4: Simplify right side
    1,096,120.40x = 1,664,140,294,811.76
  5. Step 5: Solve for x
    x = 1,664,140,294,811.76/1,096,120.40
  6. Step 6: Final answer
    x = 1,518,209.40

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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.