Home / 1,158,287.76-1,735,511.40-819,650.52

Finding the Fourth Proportional to 1,158,287.76, 1,735,511.40 and 819,650.52

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Solution

The fourth proportional to 1,158,287.76, 1,735,511.40 and 819,650.52 is: 1,228,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,287.76 : 1,735,511.40 = 819,650.52 : x
  2. Step 2: Convert to fraction form
    1,158,287.76/1,735,511.40 = 819,650.52/x
  3. Step 3: Cross multiply
    1,158,287.76x = 1,735,511.40 × 819,650.52
  4. Step 4: Simplify right side
    1,158,287.76x = 1,422,512,821,475.93
  5. Step 5: Solve for x
    x = 1,422,512,821,475.93/1,158,287.76
  6. Step 6: Final answer
    x = 1,228,116.94

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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.