Home / 1,611,127.90-2,223,298.97-885,969.29

Finding the Fourth Proportional to 1,611,127.90, 2,223,298.97 and 885,969.29

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Solution

The fourth proportional to 1,611,127.90, 2,223,298.97 and 885,969.29 is: 1,222,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,127.90 : 2,223,298.97 = 885,969.29 : x
  2. Step 2: Convert to fraction form
    1,611,127.90/2,223,298.97 = 885,969.29/x
  3. Step 3: Cross multiply
    1,611,127.90x = 2,223,298.97 × 885,969.29
  4. Step 4: Simplify right side
    1,611,127.90x = 1,969,774,614,359.42
  5. Step 5: Solve for x
    x = 1,969,774,614,359.42/1,611,127.90
  6. Step 6: Final answer
    x = 1,222,605.98

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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.