Home / 782,033.66-1,078,955.64-437,819.00

Finding the Fourth Proportional to 782,033.66, 1,078,955.64 and 437,819.00

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Solution

The fourth proportional to 782,033.66, 1,078,955.64 and 437,819.00 is: 604,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,033.66 : 1,078,955.64 = 437,819.00 : x
  2. Step 2: Convert to fraction form
    782,033.66/1,078,955.64 = 437,819.00/x
  3. Step 3: Cross multiply
    782,033.66x = 1,078,955.64 × 437,819.00
  4. Step 4: Simplify right side
    782,033.66x = 472,387,271,765.29
  5. Step 5: Solve for x
    x = 472,387,271,765.29/782,033.66
  6. Step 6: Final answer
    x = 604,049.79

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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.