Home / 1,078,432.80-1,618,815.60-606,040.80

Finding the Fourth Proportional to 1,078,432.80, 1,618,815.60 and 606,040.80

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Solution

The fourth proportional to 1,078,432.80, 1,618,815.60 and 606,040.80 is: 909,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,432.80 : 1,618,815.60 = 606,040.80 : x
  2. Step 2: Convert to fraction form
    1,078,432.80/1,618,815.60 = 606,040.80/x
  3. Step 3: Cross multiply
    1,078,432.80x = 1,618,815.60 × 606,040.80
  4. Step 4: Simplify right side
    1,078,432.80x = 981,068,301,276.48
  5. Step 5: Solve for x
    x = 981,068,301,276.48/1,078,432.80
  6. Step 6: Final answer
    x = 909,716.68

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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.