Home / 1,258,184.78-1,736,344.15-714,371.23

Finding the Fourth Proportional to 1,258,184.78, 1,736,344.15 and 714,371.23

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Solution

The fourth proportional to 1,258,184.78, 1,736,344.15 and 714,371.23 is: 985,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,184.78 : 1,736,344.15 = 714,371.23 : x
  2. Step 2: Convert to fraction form
    1,258,184.78/1,736,344.15 = 714,371.23/x
  3. Step 3: Cross multiply
    1,258,184.78x = 1,736,344.15 × 714,371.23
  4. Step 4: Simplify right side
    1,258,184.78x = 1,240,394,306,523.31
  5. Step 5: Solve for x
    x = 1,240,394,306,523.31/1,258,184.78
  6. Step 6: Final answer
    x = 985,860.21

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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.