Home / 1,213,903.20-1,821,973.04-615,288.92

Finding the Fourth Proportional to 1,213,903.20, 1,821,973.04 and 615,288.92

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Solution

The fourth proportional to 1,213,903.20, 1,821,973.04 and 615,288.92 is: 923,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,903.20 : 1,821,973.04 = 615,288.92 : x
  2. Step 2: Convert to fraction form
    1,213,903.20/1,821,973.04 = 615,288.92/x
  3. Step 3: Cross multiply
    1,213,903.20x = 1,821,973.04 × 615,288.92
  4. Step 4: Simplify right side
    1,213,903.20x = 1,121,039,824,050.72
  5. Step 5: Solve for x
    x = 1,121,039,824,050.72/1,213,903.20
  6. Step 6: Final answer
    x = 923,500.18

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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.