Home / 916,824.78-1,375,246.65-277,133.82

Finding the Fourth Proportional to 916,824.78, 1,375,246.65 and 277,133.82

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Solution

The fourth proportional to 916,824.78, 1,375,246.65 and 277,133.82 is: 415,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,824.78 : 1,375,246.65 = 277,133.82 : x
  2. Step 2: Convert to fraction form
    916,824.78/1,375,246.65 = 277,133.82/x
  3. Step 3: Cross multiply
    916,824.78x = 1,375,246.65 × 277,133.82
  4. Step 4: Simplify right side
    916,824.78x = 381,127,357,556.70
  5. Step 5: Solve for x
    x = 381,127,357,556.70/916,824.78
  6. Step 6: Final answer
    x = 415,703.60

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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.