Home / 1,236,649.05-1,854,977.75-437,953.92

Finding the Fourth Proportional to 1,236,649.05, 1,854,977.75 and 437,953.92

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Solution

The fourth proportional to 1,236,649.05, 1,854,977.75 and 437,953.92 is: 656,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,649.05 : 1,854,977.75 = 437,953.92 : x
  2. Step 2: Convert to fraction form
    1,236,649.05/1,854,977.75 = 437,953.92/x
  3. Step 3: Cross multiply
    1,236,649.05x = 1,854,977.75 × 437,953.92
  4. Step 4: Simplify right side
    1,236,649.05x = 812,394,774,935.51
  5. Step 5: Solve for x
    x = 812,394,774,935.51/1,236,649.05
  6. Step 6: Final answer
    x = 656,932.36

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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.