Home / 1,690,400.07-2,332,747.62-916,052.49

Finding the Fourth Proportional to 1,690,400.07, 2,332,747.62 and 916,052.49

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Solution

The fourth proportional to 1,690,400.07, 2,332,747.62 and 916,052.49 is: 1,264,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,400.07 : 2,332,747.62 = 916,052.49 : x
  2. Step 2: Convert to fraction form
    1,690,400.07/2,332,747.62 = 916,052.49/x
  3. Step 3: Cross multiply
    1,690,400.07x = 2,332,747.62 × 916,052.49
  4. Step 4: Simplify right side
    1,690,400.07x = 2,136,919,265,842.57
  5. Step 5: Solve for x
    x = 2,136,919,265,842.57/1,690,400.07
  6. Step 6: Final answer
    x = 1,264,150.01

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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.