Home / 1,656,419.95-2,285,997.62-921,512.69

Finding the Fourth Proportional to 1,656,419.95, 2,285,997.62 and 921,512.69

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Solution

The fourth proportional to 1,656,419.95, 2,285,997.62 and 921,512.69 is: 1,271,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,419.95 : 2,285,997.62 = 921,512.69 : x
  2. Step 2: Convert to fraction form
    1,656,419.95/2,285,997.62 = 921,512.69/x
  3. Step 3: Cross multiply
    1,656,419.95x = 2,285,997.62 × 921,512.69
  4. Step 4: Simplify right side
    1,656,419.95x = 2,106,575,816,139.80
  5. Step 5: Solve for x
    x = 2,106,575,816,139.80/1,656,419.95
  6. Step 6: Final answer
    x = 1,271,764.33

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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.