Home / 993,690.85-1,371,293.35-540,981.85

Finding the Fourth Proportional to 993,690.85, 1,371,293.35 and 540,981.85

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Solution

The fourth proportional to 993,690.85, 1,371,293.35 and 540,981.85 is: 746,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,690.85 : 1,371,293.35 = 540,981.85 : x
  2. Step 2: Convert to fraction form
    993,690.85/1,371,293.35 = 540,981.85/x
  3. Step 3: Cross multiply
    993,690.85x = 1,371,293.35 × 540,981.85
  4. Step 4: Simplify right side
    993,690.85x = 741,844,813,375.70
  5. Step 5: Solve for x
    x = 741,844,813,375.70/993,690.85
  6. Step 6: Final answer
    x = 746,554.94

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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.