Home / 1,814,986.40-2,719,855.20-803,280.20

Finding the Fourth Proportional to 1,814,986.40, 2,719,855.20 and 803,280.20

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Solution

The fourth proportional to 1,814,986.40, 2,719,855.20 and 803,280.20 is: 1,203,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,986.40 : 2,719,855.20 = 803,280.20 : x
  2. Step 2: Convert to fraction form
    1,814,986.40/2,719,855.20 = 803,280.20/x
  3. Step 3: Cross multiply
    1,814,986.40x = 2,719,855.20 × 803,280.20
  4. Step 4: Simplify right side
    1,814,986.40x = 2,184,805,829,027.04
  5. Step 5: Solve for x
    x = 2,184,805,829,027.04/1,814,986.40
  6. Step 6: Final answer
    x = 1,203,758.79

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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.