Home / 1,206,353.45-1,663,845.30-819,467.18

Finding the Fourth Proportional to 1,206,353.45, 1,663,845.30 and 819,467.18

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Solution

The fourth proportional to 1,206,353.45, 1,663,845.30 and 819,467.18 is: 1,130,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,353.45 : 1,663,845.30 = 819,467.18 : x
  2. Step 2: Convert to fraction form
    1,206,353.45/1,663,845.30 = 819,467.18/x
  3. Step 3: Cross multiply
    1,206,353.45x = 1,663,845.30 × 819,467.18
  4. Step 4: Simplify right side
    1,206,353.45x = 1,363,466,613,867.45
  5. Step 5: Solve for x
    x = 1,363,466,613,867.45/1,206,353.45
  6. Step 6: Final answer
    x = 1,130,238.08

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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.