Home / 838,816.97-1,258,766.73-306,293.40

Finding the Fourth Proportional to 838,816.97, 1,258,766.73 and 306,293.40

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Solution

The fourth proportional to 838,816.97, 1,258,766.73 and 306,293.40 is: 459,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,816.97 : 1,258,766.73 = 306,293.40 : x
  2. Step 2: Convert to fraction form
    838,816.97/1,258,766.73 = 306,293.40/x
  3. Step 3: Cross multiply
    838,816.97x = 1,258,766.73 × 306,293.40
  4. Step 4: Simplify right side
    838,816.97x = 385,551,941,538.58
  5. Step 5: Solve for x
    x = 385,551,941,538.58/838,816.97
  6. Step 6: Final answer
    x = 459,637.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.