Home / 1,284,760.37-1,927,141.98-386,202.03

Finding the Fourth Proportional to 1,284,760.37, 1,927,141.98 and 386,202.03

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Solution

The fourth proportional to 1,284,760.37, 1,927,141.98 and 386,202.03 is: 579,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,760.37 : 1,927,141.98 = 386,202.03 : x
  2. Step 2: Convert to fraction form
    1,284,760.37/1,927,141.98 = 386,202.03/x
  3. Step 3: Cross multiply
    1,284,760.37x = 1,927,141.98 × 386,202.03
  4. Step 4: Simplify right side
    1,284,760.37x = 744,266,152,359.44
  5. Step 5: Solve for x
    x = 744,266,152,359.44/1,284,760.37
  6. Step 6: Final answer
    x = 579,303.48

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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.