Home / 814,730.58-1,221,622.24-545,166.76

Finding the Fourth Proportional to 814,730.58, 1,221,622.24 and 545,166.76

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Solution

The fourth proportional to 814,730.58, 1,221,622.24 and 545,166.76 is: 817,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,730.58 : 1,221,622.24 = 545,166.76 : x
  2. Step 2: Convert to fraction form
    814,730.58/1,221,622.24 = 545,166.76/x
  3. Step 3: Cross multiply
    814,730.58x = 1,221,622.24 × 545,166.76
  4. Step 4: Simplify right side
    814,730.58x = 665,987,838,524.74
  5. Step 5: Solve for x
    x = 665,987,838,524.74/814,730.58
  6. Step 6: Final answer
    x = 817,433.22

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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.