Home / 949,718.64-1,310,716.74-541,920.90

Finding the Fourth Proportional to 949,718.64, 1,310,716.74 and 541,920.90

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Solution

The fourth proportional to 949,718.64, 1,310,716.74 and 541,920.90 is: 747,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,718.64 : 1,310,716.74 = 541,920.90 : x
  2. Step 2: Convert to fraction form
    949,718.64/1,310,716.74 = 541,920.90/x
  3. Step 3: Cross multiply
    949,718.64x = 1,310,716.74 × 541,920.90
  4. Step 4: Simplify right side
    949,718.64x = 710,304,795,385.87
  5. Step 5: Solve for x
    x = 710,304,795,385.87/949,718.64
  6. Step 6: Final answer
    x = 747,910.77

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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.