Home / 949,895.13-1,310,815.92-520,167.87

Finding the Fourth Proportional to 949,895.13, 1,310,815.92 and 520,167.87

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Solution

The fourth proportional to 949,895.13, 1,310,815.92 and 520,167.87 is: 717,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,895.13 : 1,310,815.92 = 520,167.87 : x
  2. Step 2: Convert to fraction form
    949,895.13/1,310,815.92 = 520,167.87/x
  3. Step 3: Cross multiply
    949,895.13x = 1,310,815.92 × 520,167.87
  4. Step 4: Simplify right side
    949,895.13x = 681,844,325,068.49
  5. Step 5: Solve for x
    x = 681,844,325,068.49/949,895.13
  6. Step 6: Final answer
    x = 717,810.11

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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.