Home / 1,209,695.52-1,665,776.40-1,182,843.72

Finding the Fourth Proportional to 1,209,695.52, 1,665,776.40 and 1,182,843.72

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Solution

The fourth proportional to 1,209,695.52, 1,665,776.40 and 1,182,843.72 is: 1,628,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,695.52 : 1,665,776.40 = 1,182,843.72 : x
  2. Step 2: Convert to fraction form
    1,209,695.52/1,665,776.40 = 1,182,843.72/x
  3. Step 3: Cross multiply
    1,209,695.52x = 1,665,776.40 × 1,182,843.72
  4. Step 4: Simplify right side
    1,209,695.52x = 1,970,353,153,664.21
  5. Step 5: Solve for x
    x = 1,970,353,153,664.21/1,209,695.52
  6. Step 6: Final answer
    x = 1,628,800.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.