Home / 807,748.52-1,114,689.30-445,171.58

Finding the Fourth Proportional to 807,748.52, 1,114,689.30 and 445,171.58

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Solution

The fourth proportional to 807,748.52, 1,114,689.30 and 445,171.58 is: 614,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,748.52 : 1,114,689.30 = 445,171.58 : x
  2. Step 2: Convert to fraction form
    807,748.52/1,114,689.30 = 445,171.58/x
  3. Step 3: Cross multiply
    807,748.52x = 1,114,689.30 × 445,171.58
  4. Step 4: Simplify right side
    807,748.52x = 496,227,996,890.09
  5. Step 5: Solve for x
    x = 496,227,996,890.09/807,748.52
  6. Step 6: Final answer
    x = 614,334.76

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1.5x scale

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.