Home / 1,085,705.60-1,627,780.80-454,294.40

Finding the Fourth Proportional to 1,085,705.60, 1,627,780.80 and 454,294.40

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Solution

The fourth proportional to 1,085,705.60, 1,627,780.80 and 454,294.40 is: 681,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,705.60 : 1,627,780.80 = 454,294.40 : x
  2. Step 2: Convert to fraction form
    1,085,705.60/1,627,780.80 = 454,294.40/x
  3. Step 3: Cross multiply
    1,085,705.60x = 1,627,780.80 × 454,294.40
  4. Step 4: Simplify right side
    1,085,705.60x = 739,491,701,867.52
  5. Step 5: Solve for x
    x = 739,491,701,867.52/1,085,705.60
  6. Step 6: Final answer
    x = 681,116.23

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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.