Home / 1,117,640.73-1,542,301.40-634,177.04

Finding the Fourth Proportional to 1,117,640.73, 1,542,301.40 and 634,177.04

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Solution

The fourth proportional to 1,117,640.73, 1,542,301.40 and 634,177.04 is: 875,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,640.73 : 1,542,301.40 = 634,177.04 : x
  2. Step 2: Convert to fraction form
    1,117,640.73/1,542,301.40 = 634,177.04/x
  3. Step 3: Cross multiply
    1,117,640.73x = 1,542,301.40 × 634,177.04
  4. Step 4: Simplify right side
    1,117,640.73x = 978,092,138,513.81
  5. Step 5: Solve for x
    x = 978,092,138,513.81/1,117,640.73
  6. Step 6: Final answer
    x = 875,140.03

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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.