Home / 1,456,648.40-2,185,755.96-1,403,628.56

Finding the Fourth Proportional to 1,456,648.40, 2,185,755.96 and 1,403,628.56

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Solution

The fourth proportional to 1,456,648.40, 2,185,755.96 and 1,403,628.56 is: 2,106,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,648.40 : 2,185,755.96 = 1,403,628.56 : x
  2. Step 2: Convert to fraction form
    1,456,648.40/2,185,755.96 = 1,403,628.56/x
  3. Step 3: Cross multiply
    1,456,648.40x = 2,185,755.96 × 1,403,628.56
  4. Step 4: Simplify right side
    1,456,648.40x = 3,067,989,490,646.22
  5. Step 5: Solve for x
    x = 3,067,989,490,646.22/1,456,648.40
  6. Step 6: Final answer
    x = 2,106,197.69

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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.