Home / 1,218,009.02-1,826,183.13-617,812.84

Finding the Fourth Proportional to 1,218,009.02, 1,826,183.13 and 617,812.84

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Solution

The fourth proportional to 1,218,009.02, 1,826,183.13 and 617,812.84 is: 926,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,009.02 : 1,826,183.13 = 617,812.84 : x
  2. Step 2: Convert to fraction form
    1,218,009.02/1,826,183.13 = 617,812.84/x
  3. Step 3: Cross multiply
    1,218,009.02x = 1,826,183.13 × 617,812.84
  4. Step 4: Simplify right side
    1,218,009.02x = 1,128,239,376,774.47
  5. Step 5: Solve for x
    x = 1,128,239,376,774.47/1,218,009.02
  6. Step 6: Final answer
    x = 926,298.05

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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.