Home / 1,628,775.54-2,247,456.78-931,046.40

Finding the Fourth Proportional to 1,628,775.54, 2,247,456.78 and 931,046.40

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Solution

The fourth proportional to 1,628,775.54, 2,247,456.78 and 931,046.40 is: 1,284,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,775.54 : 2,247,456.78 = 931,046.40 : x
  2. Step 2: Convert to fraction form
    1,628,775.54/2,247,456.78 = 931,046.40/x
  3. Step 3: Cross multiply
    1,628,775.54x = 2,247,456.78 × 931,046.40
  4. Step 4: Simplify right side
    1,628,775.54x = 2,092,486,544,174.59
  5. Step 5: Solve for x
    x = 2,092,486,544,174.59/1,628,775.54
  6. Step 6: Final answer
    x = 1,284,699.15

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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.