Home / 1,931,218.56-2,895,855.84-668,707.20

Finding the Fourth Proportional to 1,931,218.56, 2,895,855.84 and 668,707.20

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Solution

The fourth proportional to 1,931,218.56, 2,895,855.84 and 668,707.20 is: 1,002,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,218.56 : 2,895,855.84 = 668,707.20 : x
  2. Step 2: Convert to fraction form
    1,931,218.56/2,895,855.84 = 668,707.20/x
  3. Step 3: Cross multiply
    1,931,218.56x = 2,895,855.84 × 668,707.20
  4. Step 4: Simplify right side
    1,931,218.56x = 1,936,479,650,370.05
  5. Step 5: Solve for x
    x = 1,936,479,650,370.05/1,931,218.56
  6. Step 6: Final answer
    x = 1,002,724.23

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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.