Home / 1,621,913.40-2,433,870.69-823,767.75

Finding the Fourth Proportional to 1,621,913.40, 2,433,870.69 and 823,767.75

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Solution

The fourth proportional to 1,621,913.40, 2,433,870.69 and 823,767.75 is: 1,236,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,913.40 : 2,433,870.69 = 823,767.75 : x
  2. Step 2: Convert to fraction form
    1,621,913.40/2,433,870.69 = 823,767.75/x
  3. Step 3: Cross multiply
    1,621,913.40x = 2,433,870.69 × 823,767.75
  4. Step 4: Simplify right side
    1,621,913.40x = 2,004,944,182,092.25
  5. Step 5: Solve for x
    x = 2,004,944,182,092.25/1,621,913.40
  6. Step 6: Final answer
    x = 1,236,159.82

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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.