Home / 1,218,004.38-1,826,176.19-617,808.20

Finding the Fourth Proportional to 1,218,004.38, 1,826,176.19 and 617,808.20

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Solution

The fourth proportional to 1,218,004.38, 1,826,176.19 and 617,808.20 is: 926,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,004.38 : 1,826,176.19 = 617,808.20 : x
  2. Step 2: Convert to fraction form
    1,218,004.38/1,826,176.19 = 617,808.20/x
  3. Step 3: Cross multiply
    1,218,004.38x = 1,826,176.19 × 617,808.20
  4. Step 4: Simplify right side
    1,218,004.38x = 1,128,226,630,936.72
  5. Step 5: Solve for x
    x = 1,128,226,630,936.72/1,218,004.38
  6. Step 6: Final answer
    x = 926,291.11

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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.