Home / 1,018,665.25-1,405,801.79-565,956.25

Finding the Fourth Proportional to 1,018,665.25, 1,405,801.79 and 565,956.25

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Solution

The fourth proportional to 1,018,665.25, 1,405,801.79 and 565,956.25 is: 781,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,665.25 : 1,405,801.79 = 565,956.25 : x
  2. Step 2: Convert to fraction form
    1,018,665.25/1,405,801.79 = 565,956.25/x
  3. Step 3: Cross multiply
    1,018,665.25x = 1,405,801.79 × 565,956.25
  4. Step 4: Simplify right side
    1,018,665.25x = 795,622,309,311.69
  5. Step 5: Solve for x
    x = 795,622,309,311.69/1,018,665.25
  6. Step 6: Final answer
    x = 781,043.93

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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.