Home / 1,128,321.99-1,692,763.11-559,969.83

Finding the Fourth Proportional to 1,128,321.99, 1,692,763.11 and 559,969.83

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Solution

The fourth proportional to 1,128,321.99, 1,692,763.11 and 559,969.83 is: 840,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,321.99 : 1,692,763.11 = 559,969.83 : x
  2. Step 2: Convert to fraction form
    1,128,321.99/1,692,763.11 = 559,969.83/x
  3. Step 3: Cross multiply
    1,128,321.99x = 1,692,763.11 × 559,969.83
  4. Step 4: Simplify right side
    1,128,321.99x = 947,896,270,936.97
  5. Step 5: Solve for x
    x = 947,896,270,936.97/1,128,321.99
  6. Step 6: Final answer
    x = 840,093.77

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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.