Home / 1,214,089.80-1,822,236.30-615,467.40

Finding the Fourth Proportional to 1,214,089.80, 1,822,236.30 and 615,467.40

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Solution

The fourth proportional to 1,214,089.80, 1,822,236.30 and 615,467.40 is: 923,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,089.80 : 1,822,236.30 = 615,467.40 : x
  2. Step 2: Convert to fraction form
    1,214,089.80/1,822,236.30 = 615,467.40/x
  3. Step 3: Cross multiply
    1,214,089.80x = 1,822,236.30 × 615,467.40
  4. Step 4: Simplify right side
    1,214,089.80x = 1,121,527,037,746.62
  5. Step 5: Solve for x
    x = 1,121,527,037,746.62/1,214,089.80
  6. Step 6: Final answer
    x = 923,759.54

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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.