Home / 910,917.72-1,257,076.44-503,019

Finding the Fourth Proportional to 910,917.72, 1,257,076.44 and 503,019

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Solution

The fourth proportional to 910,917.72, 1,257,076.44 and 503,019 is: 694,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,917.72 : 1,257,076.44 = 503,019 : x
  2. Step 2: Convert to fraction form
    910,917.72/1,257,076.44 = 503,019/x
  3. Step 3: Cross multiply
    910,917.72x = 1,257,076.44 × 503,019
  4. Step 4: Simplify right side
    910,917.72x = 632,333,333,772.36
  5. Step 5: Solve for x
    x = 632,333,333,772.36/910,917.72
  6. Step 6: Final answer
    x = 694,171.73

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1.5x scale

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.