Home / 949,893.15-1,310,813.16-520,165.87

Finding the Fourth Proportional to 949,893.15, 1,310,813.16 and 520,165.87

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Solution

The fourth proportional to 949,893.15, 1,310,813.16 and 520,165.87 is: 717,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,893.15 : 1,310,813.16 = 520,165.87 : x
  2. Step 2: Convert to fraction form
    949,893.15/1,310,813.16 = 520,165.87/x
  3. Step 3: Cross multiply
    949,893.15x = 1,310,813.16 × 520,165.87
  4. Step 4: Simplify right side
    949,893.15x = 681,840,267,778.85
  5. Step 5: Solve for x
    x = 681,840,267,778.85/949,893.15
  6. Step 6: Final answer
    x = 717,807.33

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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.