Home / 1,210,986.24-1,817,601.12-612,371.04

Finding the Fourth Proportional to 1,210,986.24, 1,817,601.12 and 612,371.04

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Solution

The fourth proportional to 1,210,986.24, 1,817,601.12 and 612,371.04 is: 919,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,986.24 : 1,817,601.12 = 612,371.04 : x
  2. Step 2: Convert to fraction form
    1,210,986.24/1,817,601.12 = 612,371.04/x
  3. Step 3: Cross multiply
    1,210,986.24x = 1,817,601.12 × 612,371.04
  4. Step 4: Simplify right side
    1,210,986.24x = 1,113,046,288,159.57
  5. Step 5: Solve for x
    x = 1,113,046,288,159.57/1,210,986.24
  6. Step 6: Final answer
    x = 919,123.81

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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.