Home / 817,047.76-1,225,571.64-256,126

Finding the Fourth Proportional to 817,047.76, 1,225,571.64 and 256,126

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Solution

The fourth proportional to 817,047.76, 1,225,571.64 and 256,126 is: 384,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,047.76 : 1,225,571.64 = 256,126 : x
  2. Step 2: Convert to fraction form
    817,047.76/1,225,571.64 = 256,126/x
  3. Step 3: Cross multiply
    817,047.76x = 1,225,571.64 × 256,126
  4. Step 4: Simplify right side
    817,047.76x = 313,900,761,866.64
  5. Step 5: Solve for x
    x = 313,900,761,866.64/817,047.76
  6. Step 6: Final answer
    x = 384,189.00

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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.