Home / 825,857.52-1,237,949.64-559,644.96

Finding the Fourth Proportional to 825,857.52, 1,237,949.64 and 559,644.96

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Solution

The fourth proportional to 825,857.52, 1,237,949.64 and 559,644.96 is: 838,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,857.52 : 1,237,949.64 = 559,644.96 : x
  2. Step 2: Convert to fraction form
    825,857.52/1,237,949.64 = 559,644.96/x
  3. Step 3: Cross multiply
    825,857.52x = 1,237,949.64 × 559,644.96
  4. Step 4: Simplify right side
    825,857.52x = 692,812,276,759.81
  5. Step 5: Solve for x
    x = 692,812,276,759.81/825,857.52
  6. Step 6: Final answer
    x = 838,900.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.