Home / 1,021,917.11-1,410,282.56-634,945.91

Finding the Fourth Proportional to 1,021,917.11, 1,410,282.56 and 634,945.91

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Solution

The fourth proportional to 1,021,917.11, 1,410,282.56 and 634,945.91 is: 876,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,917.11 : 1,410,282.56 = 634,945.91 : x
  2. Step 2: Convert to fraction form
    1,021,917.11/1,410,282.56 = 634,945.91/x
  3. Step 3: Cross multiply
    1,021,917.11x = 1,410,282.56 × 634,945.91
  4. Step 4: Simplify right side
    1,021,917.11x = 895,453,143,416.33
  5. Step 5: Solve for x
    x = 895,453,143,416.33/1,021,917.11
  6. Step 6: Final answer
    x = 876,248.31

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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.