Home / 1,216,321.60-1,822,408.80-1,004,814.40

Finding the Fourth Proportional to 1,216,321.60, 1,822,408.80 and 1,004,814.40

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Solution

The fourth proportional to 1,216,321.60, 1,822,408.80 and 1,004,814.40 is: 1,505,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,321.60 : 1,822,408.80 = 1,004,814.40 : x
  2. Step 2: Convert to fraction form
    1,216,321.60/1,822,408.80 = 1,004,814.40/x
  3. Step 3: Cross multiply
    1,216,321.60x = 1,822,408.80 × 1,004,814.40
  4. Step 4: Simplify right side
    1,216,321.60x = 1,831,182,604,926.72
  5. Step 5: Solve for x
    x = 1,831,182,604,926.72/1,216,321.60
  6. Step 6: Final answer
    x = 1,505,508.58

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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.