Home / 1,781,885.23-2,673,622.45-821,824.58

Finding the Fourth Proportional to 1,781,885.23, 2,673,622.45 and 821,824.58

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Solution

The fourth proportional to 1,781,885.23, 2,673,622.45 and 821,824.58 is: 1,233,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,885.23 : 2,673,622.45 = 821,824.58 : x
  2. Step 2: Convert to fraction form
    1,781,885.23/2,673,622.45 = 821,824.58/x
  3. Step 3: Cross multiply
    1,781,885.23x = 2,673,622.45 × 821,824.58
  4. Step 4: Simplify right side
    1,781,885.23x = 2,197,248,636,975.43
  5. Step 5: Solve for x
    x = 2,197,248,636,975.43/1,781,885.23
  6. Step 6: Final answer
    x = 1,233,103.35

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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.