Home / 993,628-1,371,209.88-540,922.24

Finding the Fourth Proportional to 993,628, 1,371,209.88 and 540,922.24

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Solution

The fourth proportional to 993,628, 1,371,209.88 and 540,922.24 is: 746,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,628 : 1,371,209.88 = 540,922.24 : x
  2. Step 2: Convert to fraction form
    993,628/1,371,209.88 = 540,922.24/x
  3. Step 3: Cross multiply
    993,628x = 1,371,209.88 × 540,922.24
  4. Step 4: Simplify right side
    993,628x = 741,717,919,799.73
  5. Step 5: Solve for x
    x = 741,717,919,799.73/993,628
  6. Step 6: Final answer
    x = 746,474.46

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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.