Home / 1,214,359.56-1,821,568.50-415,635.84

Finding the Fourth Proportional to 1,214,359.56, 1,821,568.50 and 415,635.84

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Solution

The fourth proportional to 1,214,359.56, 1,821,568.50 and 415,635.84 is: 623,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,359.56 : 1,821,568.50 = 415,635.84 : x
  2. Step 2: Convert to fraction form
    1,214,359.56/1,821,568.50 = 415,635.84/x
  3. Step 3: Cross multiply
    1,214,359.56x = 1,821,568.50 × 415,635.84
  4. Step 4: Simplify right side
    1,214,359.56x = 757,109,153,615.04
  5. Step 5: Solve for x
    x = 757,109,153,615.04/1,214,359.56
  6. Step 6: Final answer
    x = 623,463.74

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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.