Home / 1,170,568.15-1,615,589.62-680,689.26

Finding the Fourth Proportional to 1,170,568.15, 1,615,589.62 and 680,689.26

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Solution

The fourth proportional to 1,170,568.15, 1,615,589.62 and 680,689.26 is: 939,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,568.15 : 1,615,589.62 = 680,689.26 : x
  2. Step 2: Convert to fraction form
    1,170,568.15/1,615,589.62 = 680,689.26/x
  3. Step 3: Cross multiply
    1,170,568.15x = 1,615,589.62 × 680,689.26
  4. Step 4: Simplify right side
    1,170,568.15x = 1,099,714,501,199.76
  5. Step 5: Solve for x
    x = 1,099,714,501,199.76/1,170,568.15
  6. Step 6: Final answer
    x = 939,470.72

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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.