Home / 1,258,640.69-1,736,968.79-714,761.33

Finding the Fourth Proportional to 1,258,640.69, 1,736,968.79 and 714,761.33

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Solution

The fourth proportional to 1,258,640.69, 1,736,968.79 and 714,761.33 is: 986,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,640.69 : 1,736,968.79 = 714,761.33 : x
  2. Step 2: Convert to fraction form
    1,258,640.69/1,736,968.79 = 714,761.33/x
  3. Step 3: Cross multiply
    1,258,640.69x = 1,736,968.79 × 714,761.33
  4. Step 4: Simplify right side
    1,258,640.69x = 1,241,518,115,610.95
  5. Step 5: Solve for x
    x = 1,241,518,115,610.95/1,258,640.69
  6. Step 6: Final answer
    x = 986,395.98

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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.