Home / 1,218,412.20-1,826,532.74-578,321.04

Finding the Fourth Proportional to 1,218,412.20, 1,826,532.74 and 578,321.04

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Solution

The fourth proportional to 1,218,412.20, 1,826,532.74 and 578,321.04 is: 866,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,412.20 : 1,826,532.74 = 578,321.04 : x
  2. Step 2: Convert to fraction form
    1,218,412.20/1,826,532.74 = 578,321.04/x
  3. Step 3: Cross multiply
    1,218,412.20x = 1,826,532.74 × 578,321.04
  4. Step 4: Simplify right side
    1,218,412.20x = 1,056,322,313,790.85
  5. Step 5: Solve for x
    x = 1,056,322,313,790.85/1,218,412.20
  6. Step 6: Final answer
    x = 866,966.30

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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.