Home / 1,092,937.80-1,639,406.70-792,006.60

Finding the Fourth Proportional to 1,092,937.80, 1,639,406.70 and 792,006.60

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Solution

The fourth proportional to 1,092,937.80, 1,639,406.70 and 792,006.60 is: 1,188,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,937.80 : 1,639,406.70 = 792,006.60 : x
  2. Step 2: Convert to fraction form
    1,092,937.80/1,639,406.70 = 792,006.60/x
  3. Step 3: Cross multiply
    1,092,937.80x = 1,639,406.70 × 792,006.60
  4. Step 4: Simplify right side
    1,092,937.80x = 1,298,420,926,484.22
  5. Step 5: Solve for x
    x = 1,298,420,926,484.22/1,092,937.80
  6. Step 6: Final answer
    x = 1,188,009.90

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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.