Home / 1,636,871.68-2,258,996.32-992,319.04

Finding the Fourth Proportional to 1,636,871.68, 2,258,996.32 and 992,319.04

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Solution

The fourth proportional to 1,636,871.68, 2,258,996.32 and 992,319.04 is: 1,369,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,871.68 : 2,258,996.32 = 992,319.04 : x
  2. Step 2: Convert to fraction form
    1,636,871.68/2,258,996.32 = 992,319.04/x
  3. Step 3: Cross multiply
    1,636,871.68x = 2,258,996.32 × 992,319.04
  4. Step 4: Simplify right side
    1,636,871.68x = 2,241,645,059,625.93
  5. Step 5: Solve for x
    x = 2,241,645,059,625.93/1,636,871.68
  6. Step 6: Final answer
    x = 1,369,469.02

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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.