Home / 2,574,687.60-3,862,031.40-681,620.40

Finding the Fourth Proportional to 2,574,687.60, 3,862,031.40 and 681,620.40

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Solution

The fourth proportional to 2,574,687.60, 3,862,031.40 and 681,620.40 is: 1,022,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,687.60 : 3,862,031.40 = 681,620.40 : x
  2. Step 2: Convert to fraction form
    2,574,687.60/3,862,031.40 = 681,620.40/x
  3. Step 3: Cross multiply
    2,574,687.60x = 3,862,031.40 × 681,620.40
  4. Step 4: Simplify right side
    2,574,687.60x = 2,632,439,387,680.56
  5. Step 5: Solve for x
    x = 2,632,439,387,680.56/2,574,687.60
  6. Step 6: Final answer
    x = 1,022,430.60

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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.