Home / 1,203,144.80-1,804,828.56-393,533.82

Finding the Fourth Proportional to 1,203,144.80, 1,804,828.56 and 393,533.82

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Solution

The fourth proportional to 1,203,144.80, 1,804,828.56 and 393,533.82 is: 590,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,144.80 : 1,804,828.56 = 393,533.82 : x
  2. Step 2: Convert to fraction form
    1,203,144.80/1,804,828.56 = 393,533.82/x
  3. Step 3: Cross multiply
    1,203,144.80x = 1,804,828.56 × 393,533.82
  4. Step 4: Simplify right side
    1,203,144.80x = 710,261,077,661.90
  5. Step 5: Solve for x
    x = 710,261,077,661.90/1,203,144.80
  6. Step 6: Final answer
    x = 590,337.15

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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.