Home / 1,747,209.64-2,617,455.12-1,071,319.72

Finding the Fourth Proportional to 1,747,209.64, 2,617,455.12 and 1,071,319.72

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Solution

The fourth proportional to 1,747,209.64, 2,617,455.12 and 1,071,319.72 is: 1,604,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,209.64 : 2,617,455.12 = 1,071,319.72 : x
  2. Step 2: Convert to fraction form
    1,747,209.64/2,617,455.12 = 1,071,319.72/x
  3. Step 3: Cross multiply
    1,747,209.64x = 2,617,455.12 × 1,071,319.72
  4. Step 4: Simplify right side
    1,747,209.64x = 2,804,131,286,270.97
  5. Step 5: Solve for x
    x = 2,804,131,286,270.97/1,747,209.64
  6. Step 6: Final answer
    x = 1,604,919.77

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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.