Home / 807,829.76-1,114,853.76-445,253.12

Finding the Fourth Proportional to 807,829.76, 1,114,853.76 and 445,253.12

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Solution

The fourth proportional to 807,829.76, 1,114,853.76 and 445,253.12 is: 614,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,829.76 : 1,114,853.76 = 445,253.12 : x
  2. Step 2: Convert to fraction form
    807,829.76/1,114,853.76 = 445,253.12/x
  3. Step 3: Cross multiply
    807,829.76x = 1,114,853.76 × 445,253.12
  4. Step 4: Simplify right side
    807,829.76x = 496,392,114,983.73
  5. Step 5: Solve for x
    x = 496,392,114,983.73/807,829.76
  6. Step 6: Final answer
    x = 614,476.14

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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.