Home / 1,621,759.75-2,238,075.17-896,654.28

Finding the Fourth Proportional to 1,621,759.75, 2,238,075.17 and 896,654.28

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Solution

The fourth proportional to 1,621,759.75, 2,238,075.17 and 896,654.28 is: 1,237,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,759.75 : 2,238,075.17 = 896,654.28 : x
  2. Step 2: Convert to fraction form
    1,621,759.75/2,238,075.17 = 896,654.28/x
  3. Step 3: Cross multiply
    1,621,759.75x = 2,238,075.17 × 896,654.28
  4. Step 4: Simplify right side
    1,621,759.75x = 2,006,779,670,628.63
  5. Step 5: Solve for x
    x = 2,006,779,670,628.63/1,621,759.75
  6. Step 6: Final answer
    x = 1,237,408.73

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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.