Home / 849,843.36-1,172,868.55-634,609.75

Finding the Fourth Proportional to 849,843.36, 1,172,868.55 and 634,609.75

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Solution

The fourth proportional to 849,843.36, 1,172,868.55 and 634,609.75 is: 875,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,843.36 : 1,172,868.55 = 634,609.75 : x
  2. Step 2: Convert to fraction form
    849,843.36/1,172,868.55 = 634,609.75/x
  3. Step 3: Cross multiply
    849,843.36x = 1,172,868.55 × 634,609.75
  4. Step 4: Simplify right side
    849,843.36x = 744,313,817,298.36
  5. Step 5: Solve for x
    x = 744,313,817,298.36/849,843.36
  6. Step 6: Final answer
    x = 875,824.71

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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.