Home / 1,621,759.37-2,238,074.65-896,653.90

Finding the Fourth Proportional to 1,621,759.37, 2,238,074.65 and 896,653.90

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Solution

The fourth proportional to 1,621,759.37, 2,238,074.65 and 896,653.90 is: 1,237,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,759.37 : 2,238,074.65 = 896,653.90 : x
  2. Step 2: Convert to fraction form
    1,621,759.37/2,238,074.65 = 896,653.90/x
  3. Step 3: Cross multiply
    1,621,759.37x = 2,238,074.65 × 896,653.90
  4. Step 4: Simplify right side
    1,621,759.37x = 2,006,778,367,332.05
  5. Step 5: Solve for x
    x = 2,006,778,367,332.05/1,621,759.37
  6. Step 6: Final answer
    x = 1,237,408.21

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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.