Home / 683,187.76-1,023,410.76-627,382.72

Finding the Fourth Proportional to 683,187.76, 1,023,410.76 and 627,382.72

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Solution

The fourth proportional to 683,187.76, 1,023,410.76 and 627,382.72 is: 939,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,187.76 : 1,023,410.76 = 627,382.72 : x
  2. Step 2: Convert to fraction form
    683,187.76/1,023,410.76 = 627,382.72/x
  3. Step 3: Cross multiply
    683,187.76x = 1,023,410.76 × 627,382.72
  4. Step 4: Simplify right side
    683,187.76x = 642,070,226,286.07
  5. Step 5: Solve for x
    x = 642,070,226,286.07/683,187.76
  6. Step 6: Final answer
    x = 939,815.18

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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.