Home / 1,277,600.78-1,916,592.55-412,746.71

Finding the Fourth Proportional to 1,277,600.78, 1,916,592.55 and 412,746.71

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Solution

The fourth proportional to 1,277,600.78, 1,916,592.55 and 412,746.71 is: 619,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,600.78 : 1,916,592.55 = 412,746.71 : x
  2. Step 2: Convert to fraction form
    1,277,600.78/1,916,592.55 = 412,746.71/x
  3. Step 3: Cross multiply
    1,277,600.78x = 1,916,592.55 × 412,746.71
  4. Step 4: Simplify right side
    1,277,600.78x = 791,067,258,808.18
  5. Step 5: Solve for x
    x = 791,067,258,808.18/1,277,600.78
  6. Step 6: Final answer
    x = 619,181.88

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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.