Home / 1,690,609.07-2,531,707.04-1,182,792.53

Finding the Fourth Proportional to 1,690,609.07, 2,531,707.04 and 1,182,792.53

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Solution

The fourth proportional to 1,690,609.07, 2,531,707.04 and 1,182,792.53 is: 1,771,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,609.07 : 2,531,707.04 = 1,182,792.53 : x
  2. Step 2: Convert to fraction form
    1,690,609.07/2,531,707.04 = 1,182,792.53/x
  3. Step 3: Cross multiply
    1,690,609.07x = 2,531,707.04 × 1,182,792.53
  4. Step 4: Simplify right side
    1,690,609.07x = 2,994,484,170,105.81
  5. Step 5: Solve for x
    x = 2,994,484,170,105.81/1,690,609.07
  6. Step 6: Final answer
    x = 1,771,245.78

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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.