Home / 1,112,353.92-1,534,989.12-628,890.24

Finding the Fourth Proportional to 1,112,353.92, 1,534,989.12 and 628,890.24

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Solution

The fourth proportional to 1,112,353.92, 1,534,989.12 and 628,890.24 is: 867,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,353.92 : 1,534,989.12 = 628,890.24 : x
  2. Step 2: Convert to fraction form
    1,112,353.92/1,534,989.12 = 628,890.24/x
  3. Step 3: Cross multiply
    1,112,353.92x = 1,534,989.12 × 628,890.24
  4. Step 4: Simplify right side
    1,112,353.92x = 965,339,676,074.19
  5. Step 5: Solve for x
    x = 965,339,676,074.19/1,112,353.92
  6. Step 6: Final answer
    x = 867,835.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.