Home / 993,908.80-1,371,588.96-558,265.60

Finding the Fourth Proportional to 993,908.80, 1,371,588.96 and 558,265.60

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Solution

The fourth proportional to 993,908.80, 1,371,588.96 and 558,265.60 is: 770,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,908.80 : 1,371,588.96 = 558,265.60 : x
  2. Step 2: Convert to fraction form
    993,908.80/1,371,588.96 = 558,265.60/x
  3. Step 3: Cross multiply
    993,908.80x = 1,371,588.96 × 558,265.60
  4. Step 4: Simplify right side
    993,908.80x = 765,710,933,707.78
  5. Step 5: Solve for x
    x = 765,710,933,707.78/993,908.80
  6. Step 6: Final answer
    x = 770,403.62

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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.