Home / 1,637,586.11-2,259,838.93-912,418.33

Finding the Fourth Proportional to 1,637,586.11, 2,259,838.93 and 912,418.33

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Solution

The fourth proportional to 1,637,586.11, 2,259,838.93 and 912,418.33 is: 1,259,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,586.11 : 2,259,838.93 = 912,418.33 : x
  2. Step 2: Convert to fraction form
    1,637,586.11/2,259,838.93 = 912,418.33/x
  3. Step 3: Cross multiply
    1,637,586.11x = 2,259,838.93 × 912,418.33
  4. Step 4: Simplify right side
    1,637,586.11x = 2,061,918,462,579.59
  5. Step 5: Solve for x
    x = 2,061,918,462,579.59/1,637,586.11
  6. Step 6: Final answer
    x = 1,259,120.63

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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.