Home / 1,246,089.54-1,719,605.16-673,129.74

Finding the Fourth Proportional to 1,246,089.54, 1,719,605.16 and 673,129.74

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Solution

The fourth proportional to 1,246,089.54, 1,719,605.16 and 673,129.74 is: 928,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,089.54 : 1,719,605.16 = 673,129.74 : x
  2. Step 2: Convert to fraction form
    1,246,089.54/1,719,605.16 = 673,129.74/x
  3. Step 3: Cross multiply
    1,246,089.54x = 1,719,605.16 × 673,129.74
  4. Step 4: Simplify right side
    1,246,089.54x = 1,157,517,374,253.46
  5. Step 5: Solve for x
    x = 1,157,517,374,253.46/1,246,089.54
  6. Step 6: Final answer
    x = 928,919.90

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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.