Home / 1,670,699.45-2,507,103.37-711,153.52

Finding the Fourth Proportional to 1,670,699.45, 2,507,103.37 and 711,153.52

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Solution

The fourth proportional to 1,670,699.45, 2,507,103.37 and 711,153.52 is: 1,067,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,699.45 : 2,507,103.37 = 711,153.52 : x
  2. Step 2: Convert to fraction form
    1,670,699.45/2,507,103.37 = 711,153.52/x
  3. Step 3: Cross multiply
    1,670,699.45x = 2,507,103.37 × 711,153.52
  4. Step 4: Simplify right side
    1,670,699.45x = 1,782,935,378,533.72
  5. Step 5: Solve for x
    x = 1,782,935,378,533.72/1,670,699.45
  6. Step 6: Final answer
    x = 1,067,179.01

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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.