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Finding the Fourth Proportional to 1,806,723.81, 2,709,227.84 and 1,048,797.81

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Solution

The fourth proportional to 1,806,723.81, 2,709,227.84 and 1,048,797.81 is: 1,572,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,723.81 : 2,709,227.84 = 1,048,797.81 : x
  2. Step 2: Convert to fraction form
    1,806,723.81/2,709,227.84 = 1,048,797.81/x
  3. Step 3: Cross multiply
    1,806,723.81x = 2,709,227.84 × 1,048,797.81
  4. Step 4: Simplify right side
    1,806,723.81x = 2,841,432,220,139.04
  5. Step 5: Solve for x
    x = 2,841,432,220,139.04/1,806,723.81
  6. Step 6: Final answer
    x = 1,572,698.72

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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.