Home / 825,978.84-1,140,251.26-553,947.24

Finding the Fourth Proportional to 825,978.84, 1,140,251.26 and 553,947.24

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Solution

The fourth proportional to 825,978.84, 1,140,251.26 and 553,947.24 is: 764,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,978.84 : 1,140,251.26 = 553,947.24 : x
  2. Step 2: Convert to fraction form
    825,978.84/1,140,251.26 = 553,947.24/x
  3. Step 3: Cross multiply
    825,978.84x = 1,140,251.26 × 553,947.24
  4. Step 4: Simplify right side
    825,978.84x = 631,639,038,383.52
  5. Step 5: Solve for x
    x = 631,639,038,383.52/825,978.84
  6. Step 6: Final answer
    x = 764,715.76

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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.