Home / 806,384.61-1,112,347.89-504,053.73

Finding the Fourth Proportional to 806,384.61, 1,112,347.89 and 504,053.73

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Solution

The fourth proportional to 806,384.61, 1,112,347.89 and 504,053.73 is: 695,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,384.61 : 1,112,347.89 = 504,053.73 : x
  2. Step 2: Convert to fraction form
    806,384.61/1,112,347.89 = 504,053.73/x
  3. Step 3: Cross multiply
    806,384.61x = 1,112,347.89 × 504,053.73
  4. Step 4: Simplify right side
    806,384.61x = 560,683,103,012.13
  5. Step 5: Solve for x
    x = 560,683,103,012.13/806,384.61
  6. Step 6: Final answer
    x = 695,304.82

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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.