Home / 914,310.32-1,371,684.46-381,534.98

Finding the Fourth Proportional to 914,310.32, 1,371,684.46 and 381,534.98

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Solution

The fourth proportional to 914,310.32, 1,371,684.46 and 381,534.98 is: 572,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,310.32 : 1,371,684.46 = 381,534.98 : x
  2. Step 2: Convert to fraction form
    914,310.32/1,371,684.46 = 381,534.98/x
  3. Step 3: Cross multiply
    914,310.32x = 1,371,684.46 × 381,534.98
  4. Step 4: Simplify right side
    914,310.32x = 523,345,603,012.41
  5. Step 5: Solve for x
    x = 523,345,603,012.41/914,310.32
  6. Step 6: Final answer
    x = 572,393.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.