Home / 873,359.31-1,310,026.67-274,356.42

Finding the Fourth Proportional to 873,359.31, 1,310,026.67 and 274,356.42

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Solution

The fourth proportional to 873,359.31, 1,310,026.67 and 274,356.42 is: 411,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,359.31 : 1,310,026.67 = 274,356.42 : x
  2. Step 2: Convert to fraction form
    873,359.31/1,310,026.67 = 274,356.42/x
  3. Step 3: Cross multiply
    873,359.31x = 1,310,026.67 × 274,356.42
  4. Step 4: Simplify right side
    873,359.31x = 359,414,222,030.18
  5. Step 5: Solve for x
    x = 359,414,222,030.18/873,359.31
  6. Step 6: Final answer
    x = 411,530.76

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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.