Home / 1,246,563.40-1,720,258.18-673,603.72

Finding the Fourth Proportional to 1,246,563.40, 1,720,258.18 and 673,603.72

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Solution

The fourth proportional to 1,246,563.40, 1,720,258.18 and 673,603.72 is: 929,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,563.40 : 1,720,258.18 = 673,603.72 : x
  2. Step 2: Convert to fraction form
    1,246,563.40/1,720,258.18 = 673,603.72/x
  3. Step 3: Cross multiply
    1,246,563.40x = 1,720,258.18 × 673,603.72
  4. Step 4: Simplify right side
    1,246,563.40x = 1,158,772,309,408.43
  5. Step 5: Solve for x
    x = 1,158,772,309,408.43/1,246,563.40
  6. Step 6: Final answer
    x = 929,573.51

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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.