Home / 842,724-1,162,980.18-511,583.85

Finding the Fourth Proportional to 842,724, 1,162,980.18 and 511,583.85

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Solution

The fourth proportional to 842,724, 1,162,980.18 and 511,583.85 is: 705,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,724 : 1,162,980.18 = 511,583.85 : x
  2. Step 2: Convert to fraction form
    842,724/1,162,980.18 = 511,583.85/x
  3. Step 3: Cross multiply
    842,724x = 1,162,980.18 × 511,583.85
  4. Step 4: Simplify right side
    842,724x = 594,961,877,958.09
  5. Step 5: Solve for x
    x = 594,961,877,958.09/842,724
  6. Step 6: Final answer
    x = 705,998.50

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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.