Home / 1,214,059.80-1,822,191.30-615,437.40

Finding the Fourth Proportional to 1,214,059.80, 1,822,191.30 and 615,437.40

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Solution

The fourth proportional to 1,214,059.80, 1,822,191.30 and 615,437.40 is: 923,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,059.80 : 1,822,191.30 = 615,437.40 : x
  2. Step 2: Convert to fraction form
    1,214,059.80/1,822,191.30 = 615,437.40/x
  3. Step 3: Cross multiply
    1,214,059.80x = 1,822,191.30 × 615,437.40
  4. Step 4: Simplify right side
    1,214,059.80x = 1,121,444,675,974.62
  5. Step 5: Solve for x
    x = 1,121,444,675,974.62/1,214,059.80
  6. Step 6: Final answer
    x = 923,714.53

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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.