Home / 1,285,612.47-1,774,165.19-704,888.64

Finding the Fourth Proportional to 1,285,612.47, 1,774,165.19 and 704,888.64

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Solution

The fourth proportional to 1,285,612.47, 1,774,165.19 and 704,888.64 is: 972,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,612.47 : 1,774,165.19 = 704,888.64 : x
  2. Step 2: Convert to fraction form
    1,285,612.47/1,774,165.19 = 704,888.64/x
  3. Step 3: Cross multiply
    1,285,612.47x = 1,774,165.19 × 704,888.64
  4. Step 4: Simplify right side
    1,285,612.47x = 1,250,588,887,914.44
  5. Step 5: Solve for x
    x = 1,250,588,887,914.44/1,285,612.47
  6. Step 6: Final answer
    x = 972,757.28

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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.