Home / 1,189,659.59-1,641,704.09-673,403.19

Finding the Fourth Proportional to 1,189,659.59, 1,641,704.09 and 673,403.19

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Solution

The fourth proportional to 1,189,659.59, 1,641,704.09 and 673,403.19 is: 929,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,659.59 : 1,641,704.09 = 673,403.19 : x
  2. Step 2: Convert to fraction form
    1,189,659.59/1,641,704.09 = 673,403.19/x
  3. Step 3: Cross multiply
    1,189,659.59x = 1,641,704.09 × 673,403.19
  4. Step 4: Simplify right side
    1,189,659.59x = 1,105,528,761,718.64
  5. Step 5: Solve for x
    x = 1,105,528,761,718.64/1,189,659.59
  6. Step 6: Final answer
    x = 929,281.60

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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.