Home / 1,284,945.93-1,773,198.95-711,981.09

Finding the Fourth Proportional to 1,284,945.93, 1,773,198.95 and 711,981.09

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Solution

The fourth proportional to 1,284,945.93, 1,773,198.95 and 711,981.09 is: 982,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,945.93 : 1,773,198.95 = 711,981.09 : x
  2. Step 2: Convert to fraction form
    1,284,945.93/1,773,198.95 = 711,981.09/x
  3. Step 3: Cross multiply
    1,284,945.93x = 1,773,198.95 × 711,981.09
  4. Step 4: Simplify right side
    1,284,945.93x = 1,262,484,117,647.95
  5. Step 5: Solve for x
    x = 1,262,484,117,647.95/1,284,945.93
  6. Step 6: Final answer
    x = 982,519.25

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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.